238512998845 has 32 divisors (see below), whose sum is σ = 314668287360. Its totient is φ = 172113776640.

The previous prime is 238512998837. The next prime is 238512998881. The reversal of 238512998845 is 548899215832.

It is not a de Polignac number, because 238512998845 - 2³ = 238512998837 is a prime.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14310757 + ... + 14327413.

It is an arithmetic number, because the mean of its divisors is an integer number (9833383980).

Almost surely, 2^238512998845 is an apocalyptic number.

It is an amenable number.

238512998845 is a deficient number, since it is larger than the sum of its proper divisors (76155288515).

238512998845 is a wasteful number, since it uses less digits than its factorization.

238512998845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18685.

The product of its digits is 49766400, while the sum is 64.

The spelling of 238512998845 in words is "two hundred thirty-eight billion, five hundred twelve million, nine hundred ninety-eight thousand, eight hundred forty-five".