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4874558989 = 291491128109
BaseRepresentation
bin1001000101000101…
…11101111000001101
3110120201100020211211
410202202331320031
534440341341424
62123410414421
7231540032146
oct44242757015
913521306754
104874558989
11208161a353
12b40591411
135c8b7b241
1434356aacd
151d7e28b94
hex1228bde0d

4874558989 has 8 divisors (see below), whose sum is σ = 5076495000. Its totient is φ = 4674879552.

The previous prime is 4874558977. The next prime is 4874558999. The reversal of 4874558989 is 9898554784.

It can be written as a sum of positive squares in 4 ways, for example, as 21068100 + 4853490889 = 4590^2 + 69667^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4874558989 - 29 = 4874558477 is a prime.

It is a super-2 number, since 2×48745589892 = 47522650674481404242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4874558999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 559734 + ... + 568375.

It is an arithmetic number, because the mean of its divisors is an integer number (634561875).

Almost surely, 24874558989 is an apocalyptic number.

It is an amenable number.

4874558989 is a deficient number, since it is larger than the sum of its proper divisors (201936011).

4874558989 is a wasteful number, since it uses less digits than its factorization.

4874558989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128287.

The product of its digits is 116121600, while the sum is 67.

The square root of 4874558989 is about 69818.0420020499. The cubic root of 4874558989 is about 1695.5545896558.

The spelling of 4874558989 in words is "four billion, eight hundred seventy-four million, five hundred fifty-eight thousand, nine hundred eighty-nine".

Divisors: 1 29 149 4321 1128109 32715161 168088241 4874558989