93644420481 has 12 divisors (see below), whose sum is σ = 135291221520. Its totient is φ = 62417125080.

The previous prime is 93644420459. The next prime is 93644420483. The reversal of 93644420481 is 18402444639.

93644420481 is a `hidden beast` number, since 9 + 364 + 4 + 4 + 204 + 81 = 666.

It is not a de Polignac number, because 93644420481 - 2¹³ = 93644412289 is a prime.

It is a super-2 number, since 2×93644420481² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (93644420483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 993111 + ... + 1083308.

It is an arithmetic number, because the mean of its divisors is an integer number (11274268460).

Almost surely, 2^93644420481 is an apocalyptic number.

It is an amenable number.

93644420481 is a deficient number, since it is larger than the sum of its proper divisors (41646801039).

93644420481 is a wasteful number, since it uses less digits than its factorization.

93644420481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081436 (or 2081433 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 93644420481 in words is "ninety-three billion, six hundred forty-four million, four hundred twenty thousand, four hundred eighty-one".