618013975 has 12 divisors (see below), whose sum is σ = 766645624. Its totient is φ = 494212320.

The previous prime is 618013961. The next prime is 618013993. The reversal of 618013975 is 579310816.

It is not a de Polignac number, because 618013975 - 2¹⁵ = 617981207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121432 + ... + 126418.

Almost surely, 2^618013975 is an apocalyptic number.

618013975 is a deficient number, since it is larger than the sum of its proper divisors (148631649).

618013975 is a wasteful number, since it uses less digits than its factorization.

618013975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9954 (or 9949 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 618013975 is about 24859.8868661947. The cubic root of 618013975 is about 851.7904473913.

The spelling of 618013975 in words is "six hundred eighteen million, thirteen thousand, nine hundred seventy-five".