238512193465 has 48 divisors (see below), whose sum is σ = 359051277312. Its totient is φ = 150761229696.

The previous prime is 238512193429. The next prime is 238512193481. The reversal of 238512193465 is 564391215832.

It is not a de Polignac number, because 238512193465 - 2²¹ = 238510096313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2263992 + ... + 2366998.

It is an arithmetic number, because the mean of its divisors is an integer number (7480234944).

Almost surely, 2^238512193465 is an apocalyptic number.

It is an amenable number.

238512193465 is a deficient number, since it is larger than the sum of its proper divisors (120539083847).

238512193465 is a wasteful number, since it uses less digits than its factorization.

238512193465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103766 (or 103759 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 49.

The spelling of 238512193465 in words is "two hundred thirty-eight billion, five hundred twelve million, one hundred ninety-three thousand, four hundred sixty-five".