4889897185 has 16 divisors (see below), whose sum is σ = 6078557520. Its totient is φ = 3773608960.

The previous prime is 4889897099. The next prime is 4889897203. The reversal of 4889897185 is 5817989884.

It can be written as a sum of positive squares in 8 ways, for example, as 873379809 + 4016517376 = 29553^2 + 63376^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4889897185 is a prime.

It is a super-2 number, since 2×4889897185² = 47822188959741848450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4889897185.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115762 + ... + 152251.

It is an arithmetic number, because the mean of its divisors is an integer number (379909845).

Almost surely, 2^4889897185 is an apocalyptic number.

It is an amenable number.

4889897185 is a deficient number, since it is larger than the sum of its proper divisors (1188660335).

4889897185 is a wasteful number, since it uses less digits than its factorization.

4889897185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268148.

The product of its digits is 46448640, while the sum is 67.

The square root of 4889897185 is about 69927.7998009375. The cubic root of 4889897185 is about 1697.3311277192.

The spelling of 4889897185 in words is "four billion, eight hundred eighty-nine million, eight hundred ninety-seven thousand, one hundred eighty-five".