5209137312 has 48 divisors (see below), whose sum is σ = 13772394720. Its totient is φ = 1723882752.

The previous prime is 5209137253. The next prime is 5209137379. The reversal of 5209137312 is 2137319025.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×5209137312² = 54270223070541170688, 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, 181843 + ... + 208530.

It is an arithmetic number, because the mean of its divisors is an integer number (286924890).

Almost surely, 2^5209137312 is an apocalyptic number.

It is an amenable number.

5209137312 is an abundant number, since it is smaller than the sum of its proper divisors (8563257408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5209137312 is a wasteful number, since it uses less digits than its factorization.

5209137312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390525 (or 390517 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 5209137312 is about 72174.3535613586. The cubic root of 5209137312 is about 1733.4923729153.

The spelling of 5209137312 in words is "five billion, two hundred nine million, one hundred thirty-seven thousand, three hundred twelve".