238815924645 has 8 divisors (see below), whose sum is σ = 382105479456. Its totient is φ = 127368493136.

The previous prime is 238815924631. The next prime is 238815924671. The reversal of 238815924645 is 546429518832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 238815924645 - 2¹⁶ = 238815859109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7960530807 + ... + 7960530836.

It is an arithmetic number, because the mean of its divisors is an integer number (47763184932).

Almost surely, 2^238815924645 is an apocalyptic number.

It is an amenable number.

238815924645 is a deficient number, since it is larger than the sum of its proper divisors (143289554811).

238815924645 is a wasteful number, since it uses less digits than its factorization.

238815924645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15921061651.

The product of its digits is 16588800, while the sum is 57.

The spelling of 238815924645 in words is "two hundred thirty-eight billion, eight hundred fifteen million, nine hundred twenty-four thousand, six hundred forty-five".