5649021236 has 24 divisors (see below), whose sum is σ = 9963216480. Its totient is φ = 2802447072.

The previous prime is 5649021199. The next prime is 5649021253. The reversal of 5649021236 is 6321209465.

It is a super-2 number, since 2×5649021236² = 63822881849557935392, 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 5649021236.

It is a congruent number.

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, 396590 + ... + 410586.

It is an arithmetic number, because the mean of its divisors is an integer number (415134020).

Almost surely, 2^5649021236 is an apocalyptic number.

It is an amenable number.

5649021236 is a deficient number, since it is larger than the sum of its proper divisors (4314195244).

5649021236 is a wasteful number, since it uses less digits than its factorization.

5649021236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14783 (or 14781 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 5649021236 is about 75159.9709685947. The cubic root of 5649021236 is about 1780.9746415087.

The spelling of 5649021236 in words is "five billion, six hundred forty-nine million, twenty-one thousand, two hundred thirty-six".