5656722506436 has 24 divisors (see below), whose sum is σ = 13216783696704. Its totient is φ = 1883036380960.

The previous prime is 5656722506431. The next prime is 5656722506443. The reversal of 5656722506436 is 6346052276565.

It is a happy number.

It is a super-2 number, since 2×5656722506436² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5656722506431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317214195 + ... + 317232026.

It is an arithmetic number, because the mean of its divisors is an integer number (550699320696).

Almost surely, 2^{5656722506436} is an apocalyptic number.

It is an amenable number.

5656722506436 is an abundant number, since it is smaller than the sum of its proper divisors (7560061190268).

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

5656722506436 is a wasteful number, since it uses less digits than its factorization.

5656722506436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634446971 (or 634446969 counting only the distinct ones).

The product of its (nonzero) digits is 54432000, while the sum is 57.

The spelling of 5656722506436 in words is "five trillion, six hundred fifty-six billion, seven hundred twenty-two million, five hundred six thousand, four hundred thirty-six".