97631815364401 has 4 divisors (see below), whose sum is σ = 98579697067072. Its totient is φ = 96683933661732.

The previous prime is 97631815364359. The next prime is 97631815364483. The reversal of 97631815364401 is 10446351813679.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97631815364401 - 2¹¹ = 97631815362353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97631815364491) 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, 473940851181 + ... + 473940851386.

It is an arithmetic number, because the mean of its divisors is an integer number (24644924266768).

Almost surely, 2^{97631815364401} is an apocalyptic number.

It is an amenable number.

97631815364401 is a deficient number, since it is larger than the sum of its proper divisors (947881702671).

97631815364401 is a wasteful number, since it uses less digits than its factorization.

97631815364401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947881702670.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 97631815364401 in words is "ninety-seven trillion, six hundred thirty-one billion, eight hundred fifteen million, three hundred sixty-four thousand, four hundred one".