4974445989 has 12 divisors (see below), whose sum is σ = 7189053196. Its totient is φ = 3314570112.

The previous prime is 4974445901. The next prime is 4974445999. The reversal of 4974445989 is 9895444794.

4974445989 is a `hidden beast` number, since 49 + 74 + 445 + 9 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1324232100 + 3650213889 = 36390^2 + 60417^2 .

It is not a de Polignac number, because 4974445989 - 2²³ = 4966057381 is a prime.

It is a super-2 number, since 2×4974445989² = 49490225794956376242, 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 (4974445999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125572 + ... + 160365.

Almost surely, 2^4974445989 is an apocalyptic number.

It is an amenable number.

4974445989 is a deficient number, since it is larger than the sum of its proper divisors (2214607207).

4974445989 is a wasteful number, since it uses less digits than its factorization.

4974445989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287876 (or 287873 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The square root of 4974445989 is about 70529.7525091362. The cubic root of 4974445989 is about 1707.0578534737.

The spelling of 4974445989 in words is "four billion, nine hundred seventy-four million, four hundred forty-five thousand, nine hundred eighty-nine".