5251149836 has 12 divisors (see below), whose sum is σ = 9191394912. Its totient is φ = 2625037008.

The previous prime is 5251149797. The next prime is 5251149859. The reversal of 5251149836 is 6389411525.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112100 + ... + 151883.

It is an arithmetic number, because the mean of its divisors is an integer number (765949576).

Almost surely, 2^5251149836 is an apocalyptic number.

It is an amenable number.

5251149836 is a deficient number, since it is larger than the sum of its proper divisors (3940245076).

5251149836 is a wasteful number, since it uses less digits than its factorization.

5251149836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268960 (or 268958 counting only the distinct ones).

The product of its digits is 259200, while the sum is 44.

The square root of 5251149836 is about 72464.8179187666. The cubic root of 5251149836 is about 1738.1401976437.

The spelling of 5251149836 in words is "five billion, two hundred fifty-one million, one hundred forty-nine thousand, eight hundred thirty-six".