274366875381 has 4 divisors (see below), whose sum is σ = 365822500512. Its totient is φ = 182911250252.

The previous prime is 274366875361. The next prime is 274366875463. The reversal of 274366875381 is 183578663472.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 274366875381 - 2¹⁹ = 274366351093 is a prime.

It is a super-2 number, since 2×274366875381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274366875361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45727812561 + ... + 45727812566.

It is an arithmetic number, because the mean of its divisors is an integer number (91455625128).

Almost surely, 2^274366875381 is an apocalyptic number.

It is an amenable number.

274366875381 is a deficient number, since it is larger than the sum of its proper divisors (91455625131).

274366875381 is an equidigital number, since it uses as much as digits as its factorization.

274366875381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91455625130.

The product of its digits is 40642560, while the sum is 60.

The spelling of 274366875381 in words is "two hundred seventy-four billion, three hundred sixty-six million, eight hundred seventy-five thousand, three hundred eighty-one".