92531387621 has 2 divisors, whose sum is σ = 92531387622. Its totient is φ = 92531387620.

The previous prime is 92531387609. The next prime is 92531387623. The reversal of 92531387621 is 12678313529.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92529122596 + 2265025 = 304186^2 + 1505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-92531387621 is a prime.

Together with 92531387623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (92531387623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46265693810 + 46265693811.

It is an arithmetic number, because the mean of its divisors is an integer number (46265693811).

Almost surely, 2^92531387621 is an apocalyptic number.

It is an amenable number.

92531387621 is a deficient number, since it is larger than the sum of its proper divisors (1).

92531387621 is an equidigital number, since it uses as much as digits as its factorization.

92531387621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 47.

The spelling of 92531387621 in words is "ninety-two billion, five hundred thirty-one million, three hundred eighty-seven thousand, six hundred twenty-one".