97406318913 has 4 divisors (see below), whose sum is σ = 129875091888. Its totient is φ = 64937545940.

The previous prime is 97406318909. The next prime is 97406318921. The reversal of 97406318913 is 31981360479.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31981360479 = 3 ⋅10660453493.

It is a cyclic number.

It is not a de Polignac number, because 97406318913 - 2² = 97406318909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97406318983) 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, 16234386483 + ... + 16234386488.

It is an arithmetic number, because the mean of its divisors is an integer number (32468772972).

Almost surely, 2^97406318913 is an apocalyptic number.

It is an amenable number.

97406318913 is a deficient number, since it is larger than the sum of its proper divisors (32468772975).

97406318913 is a wasteful number, since it uses less digits than its factorization.

97406318913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32468772974.

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 97406318913 in words is "ninety-seven billion, four hundred six million, three hundred eighteen thousand, nine hundred thirteen".