62536855681 has 2 divisors, whose sum is σ = 62536855682. Its totient is φ = 62536855680.

The previous prime is 62536855679. The next prime is 62536855697. The reversal of 62536855681 is 18655863526.

62536855681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50620950081 + 11915905600 = 224991^2 + 109160^2 .

It is a cyclic number.

It is not a de Polignac number, because 62536855681 - 2¹ = 62536855679 is a prime.

It is a super-2 number, since 2×62536855681² (a number of 22 digits) contains 22 as substring.

Together with 62536855679, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (62536853681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31268427840 + 31268427841.

It is an arithmetic number, because the mean of its divisors is an integer number (31268427841).

Almost surely, 2^62536855681 is an apocalyptic number.

It is an amenable number.

62536855681 is a deficient number, since it is larger than the sum of its proper divisors (1).

62536855681 is an equidigital number, since it uses as much as digits as its factorization.

62536855681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368000, while the sum is 55.

The spelling of 62536855681 in words is "sixty-two billion, five hundred thirty-six million, eight hundred fifty-five thousand, six hundred eighty-one".