257274460755713 has 4 divisors (see below), whose sum is σ = 257274637113648. Its totient is φ = 257274284397780.

The previous prime is 257274460755709. The next prime is 257274460755727. The reversal of 257274460755713 is 317557064472752.

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 257274460755713 - 2² = 257274460755709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 257274460755713.

It is not an unprimeable number, because it can be changed into a prime (257274460755913) 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, 85972331 + ... + 88914512.

It is an arithmetic number, because the mean of its divisors is an integer number (64318659278412).

Almost surely, 2^{257274460755713} is an apocalyptic number.

It is an amenable number.

257274460755713 is a deficient number, since it is larger than the sum of its proper divisors (176357935).

257274460755713 is a wasteful number, since it uses less digits than its factorization.

257274460755713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176357934.

The product of its (nonzero) digits is 345744000, while the sum is 65.

The spelling of 257274460755713 in words is "two hundred fifty-seven trillion, two hundred seventy-four billion, four hundred sixty million, seven hundred fifty-five thousand, seven hundred thirteen".