250734421385 has 16 divisors (see below), whose sum is σ = 344786255616. Its totient is φ = 171471221568.

The previous prime is 250734421361. The next prime is 250734421403. The reversal of 250734421385 is 583124437052.

It is a cyclic number.

It is not a de Polignac number, because 250734421385 - 2¹⁰ = 250734420361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9589949 + ... + 9616058.

It is an arithmetic number, because the mean of its divisors is an integer number (21549140976).

Almost surely, 2^250734421385 is an apocalyptic number.

It is an amenable number.

250734421385 is a deficient number, since it is larger than the sum of its proper divisors (94051834231).

250734421385 is a wasteful number, since it uses less digits than its factorization.

250734421385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19206392.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 250734421385 in words is "two hundred fifty billion, seven hundred thirty-four million, four hundred twenty-one thousand, three hundred eighty-five".