97368012491 has 4 divisors (see below), whose sum is σ = 97370613672. Its totient is φ = 97365411312.

The previous prime is 97368012487. The next prime is 97368012529. The reversal of 97368012491 is 19421086379.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97368012491 - 2² = 97368012487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97368012421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1243610 + ... + 1319583.

It is an arithmetic number, because the mean of its divisors is an integer number (24342653418).

Almost surely, 2^97368012491 is an apocalyptic number.

97368012491 is a deficient number, since it is larger than the sum of its proper divisors (2601181).

97368012491 is a wasteful number, since it uses less digits than its factorization.

97368012491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601180.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 97368012491 in words is "ninety-seven billion, three hundred sixty-eight million, twelve thousand, four hundred ninety-one".