97691153613 has 16 divisors (see below), whose sum is σ = 135607822656. Its totient is φ = 62499185280.

The previous prime is 97691153561. The next prime is 97691153663. The reversal of 97691153613 is 31635119679.

It is a happy number.

It is not a de Polignac number, because 97691153613 - 2⁹ = 97691153101 is a prime.

It is a super-2 number, since 2×97691153613² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97691153663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6019983 + ... + 6036188.

It is an arithmetic number, because the mean of its divisors is an integer number (8475488916).

Almost surely, 2^97691153613 is an apocalyptic number.

It is an amenable number.

97691153613 is a deficient number, since it is larger than the sum of its proper divisors (37916669043).

97691153613 is a wasteful number, since it uses less digits than its factorization.

97691153613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12056284.

The product of its digits is 918540, while the sum is 51.

The spelling of 97691153613 in words is "ninety-seven billion, six hundred ninety-one million, one hundred fifty-three thousand, six hundred thirteen".