5112869656 has 8 divisors (see below), whose sum is σ = 9586630620. Its totient is φ = 2556434824.

The previous prime is 5112869639. The next prime is 5112869659. The reversal of 5112869656 is 6569682115.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×5112869656² = 52282872238491116672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5112869659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 319554346 + ... + 319554361.

Almost surely, 2^5112869656 is an apocalyptic number.

It is an amenable number.

5112869656 is a deficient number, since it is larger than the sum of its proper divisors (4473760964).

5112869656 is a wasteful number, since it uses less digits than its factorization.

5112869656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639108713 (or 639108709 counting only the distinct ones).

The product of its digits is 777600, while the sum is 49.

The square root of 5112869656 is about 71504.3331274406. Note that the first 3 decimals coincide. The cubic root of 5112869656 is about 1722.7472834216.

The spelling of 5112869656 in words is "five billion, one hundred twelve million, eight hundred sixty-nine thousand, six hundred fifty-six".