10556338537 has 2 divisors, whose sum is σ = 10556338538. Its totient is φ = 10556338536.

The previous prime is 10556338531. The next prime is 10556338549. The reversal of 10556338537 is 73583365501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8748047961 + 1808290576 = 93531^2 + 42524^2 .

It is an emirp because it is prime and its reverse (73583365501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10556338537 - 2¹¹ = 10556336489 is a prime.

It is a super-2 number, since 2×10556338537² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10556338531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5278169268 + 5278169269.

It is an arithmetic number, because the mean of its divisors is an integer number (5278169269).

Almost surely, 2^10556338537 is an apocalyptic number.

It is an amenable number.

10556338537 is a deficient number, since it is larger than the sum of its proper divisors (1).

10556338537 is an equidigital number, since it uses as much as digits as its factorization.

10556338537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134000, while the sum is 46.

The spelling of 10556338537 in words is "ten billion, five hundred fifty-six million, three hundred thirty-eight thousand, five hundred thirty-seven".