52689600436481 has 2 divisors, whose sum is σ = 52689600436482. Its totient is φ = 52689600436480.

The previous prime is 52689600436477. The next prime is 52689600436489. The reversal of 52689600436481 is 18463400698625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49327936858225 + 3361663578256 = 7023385^2 + 1833484^2 .

It is a cyclic number.

It is not a de Polignac number, because 52689600436481 - 2² = 52689600436477 is a prime.

It is a super-2 number, since 2×52689600436481² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52689600436489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26344800218240 + 26344800218241.

It is an arithmetic number, because the mean of its divisors is an integer number (26344800218241).

Almost surely, 2^{52689600436481} is an apocalyptic number.

It is an amenable number.

52689600436481 is a deficient number, since it is larger than the sum of its proper divisors (1).

52689600436481 is an equidigital number, since it uses as much as digits as its factorization.

52689600436481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59719680, while the sum is 62.

The spelling of 52689600436481 in words is "fifty-two trillion, six hundred eighty-nine billion, six hundred million, four hundred thirty-six thousand, four hundred eighty-one".