5656256726731 has 8 divisors (see below), whose sum is σ = 6091401120224. Its totient is φ = 5221119150720.

The previous prime is 5656256726641. The next prime is 5656256726761. The reversal of 5656256726731 is 1376276526565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5656256726731 - 2²¹ = 5656254629579 is a prime.

It is a super-2 number, since 2×5656256726731² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5656256726731.

It is not an unprimeable number, because it can be changed into a prime (5656256726761) 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, 88666 + ... + 3364576.

It is an arithmetic number, because the mean of its divisors is an integer number (761425140028).

Almost surely, 2^{5656256726731} is an apocalyptic number.

5656256726731 is a deficient number, since it is larger than the sum of its proper divisors (435144393493).

5656256726731 is a wasteful number, since it uses less digits than its factorization.

5656256726731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408741.

The product of its digits is 95256000, while the sum is 61.

The spelling of 5656256726731 in words is "five trillion, six hundred fifty-six billion, two hundred fifty-six million, seven hundred twenty-six thousand, seven hundred thirty-one".