93544117921 has 16 divisors (see below), whose sum is σ = 98410318848. Its totient is φ = 88794388800.

The previous prime is 93544117879. The next prime is 93544117943. The reversal of 93544117921 is 12971144539.

It is a cyclic number.

It is not a de Polignac number, because 93544117921 - 2²⁹ = 93007247009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (93544117321) 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, 9914076 + ... + 9923506.

It is an arithmetic number, because the mean of its divisors is an integer number (6150644928).

Almost surely, 2^93544117921 is an apocalyptic number.

It is an amenable number.

93544117921 is a deficient number, since it is larger than the sum of its proper divisors (4866200927).

93544117921 is a wasteful number, since it uses less digits than its factorization.

93544117921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15552.

The product of its digits is 272160, while the sum is 46.

The spelling of 93544117921 in words is "ninety-three billion, five hundred forty-four million, one hundred seventeen thousand, nine hundred twenty-one".