5656722506437 has 4 divisors (see below), whose sum is σ = 5763453119820. Its totient is φ = 5549991893056.

The previous prime is 5656722506431. The next prime is 5656722506443. The reversal of 5656722506437 is 7346052276565.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5656722506431) and next prime (5656722506443).

It can be written as a sum of positive squares in 2 ways, for example, as 4705563131361 + 951159375076 = 2169231^2 + 975274^2 .

It is a cyclic number.

It is not a de Polignac number, because 5656722506437 - 2²³ = 5656714117829 is a prime.

It is a Duffinian number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 53365306612 + ... + 53365306717.

It is an arithmetic number, because the mean of its divisors is an integer number (1440863279955).

Almost surely, 2^{5656722506437} is an apocalyptic number.

It is an amenable number.

5656722506437 is a deficient number, since it is larger than the sum of its proper divisors (106730613383).

5656722506437 is a wasteful number, since it uses less digits than its factorization.

5656722506437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106730613382.

The product of its (nonzero) digits is 63504000, while the sum is 58.

The spelling of 5656722506437 in words is "five trillion, six hundred fifty-six billion, seven hundred twenty-two million, five hundred six thousand, four hundred thirty-seven".