5297688612 has 18 divisors (see below), whose sum is σ = 13391379638. Its totient is φ = 1765896192.

The previous prime is 5297688577. The next prime is 5297688637. The reversal of 5297688612 is 2168867925.

It can be written as a sum of positive squares in only one way, i.e., 3763086336 + 1534602276 = 61344^2 + 39174^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73578973 + ... + 73579044.

Almost surely, 2^5297688612 is an apocalyptic number.

It is an amenable number.

5297688612 is an abundant number, since it is smaller than the sum of its proper divisors (8093691026).

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

5297688612 is a wasteful number, since it uses less digits than its factorization.

5297688612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147158027 (or 147158022 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 5297688612 is about 72785.2224836883. Note that the first 3 decimals coincide. The cubic root of 5297688612 is about 1743.2599093199.

The spelling of 5297688612 in words is "five billion, two hundred ninety-seven million, six hundred eighty-eight thousand, six hundred twelve".