5249392618 has 16 divisors (see below), whose sum is σ = 8327809440. Its totient is φ = 2474766000.

The previous prime is 5249392601. The next prime is 5249392633. The reversal of 5249392618 is 8162939425.

It is a super-2 number, since 2×5249392618² = 55112245715825787848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319333 + ... + 335368.

It is an arithmetic number, because the mean of its divisors is an integer number (520488090).

Almost surely, 2^5249392618 is an apocalyptic number.

5249392618 is a deficient number, since it is larger than the sum of its proper divisors (3078416822).

5249392618 is a wasteful number, since it uses less digits than its factorization.

5249392618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654933.

The product of its digits is 933120, while the sum is 49.

The square root of 5249392618 is about 72452.6922757188. The cubic root of 5249392618 is about 1737.9462952229.

The spelling of 5249392618 in words is "five billion, two hundred forty-nine million, three hundred ninety-two thousand, six hundred eighteen".