93537640242 has 30 divisors (see below), whose sum is σ = 209602324173. Its totient is φ = 31177915848.

The previous prime is 93537640241. The next prime is 93537640253. The reversal of 93537640242 is 24204673539.

93537640242 is a `hidden beast` number, since 9 + 35 + 376 + 4 + 0 + 242 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 49181489361 + 44356150881 = 221769^2 + 210609^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=216261.

It is not an unprimeable number, because it can be changed into a prime (93537640241) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 3880684 + ... + 3904712.

Almost surely, 2^93537640242 is an apocalyptic number.

93537640242 is an abundant number, since it is smaller than the sum of its proper divisors (116064683931).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

93537640242 is an frugal number, since it uses more digits than its factorization.

93537640242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48072 (or 24034 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The spelling of 93537640242 in words is "ninety-three billion, five hundred thirty-seven million, six hundred forty thousand, two hundred forty-two".