274572938393 has 4 divisors (see below), whose sum is σ = 295693933668. Its totient is φ = 253451943120.

The previous prime is 274572938363. The next prime is 274572938401. The reversal of 274572938393 is 393839275472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 128559536704 + 146013401689 = 358552^2 + 382117^2 .

It is a cyclic number.

It is not a de Polignac number, because 274572938393 - 2¹² = 274572934297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274572938333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10560497618 + ... + 10560497643.

It is an arithmetic number, because the mean of its divisors is an integer number (73923483417).

Almost surely, 2^274572938393 is an apocalyptic number.

It is an amenable number.

274572938393 is a deficient number, since it is larger than the sum of its proper divisors (21120995275).

274572938393 is a wasteful number, since it uses less digits than its factorization.

274572938393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21120995274.

The product of its digits is 68584320, while the sum is 62.

The spelling of 274572938393 in words is "two hundred seventy-four billion, five hundred seventy-two million, nine hundred thirty-eight thousand, three hundred ninety-three".