257047527550453 has 4 divisors (see below), whose sum is σ = 257052364142400. Its totient is φ = 257042690958508.

The previous prime is 257047527550441. The next prime is 257047527550523. The reversal of 257047527550453 is 354055725740752.

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 257047527550453 - 2²⁹ = 257046990679541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 257047527550391 and 257047527550400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257047527551453) 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, 2418216253 + ... + 2418322546.

It is an arithmetic number, because the mean of its divisors is an integer number (64263091035600).

Almost surely, 2^{257047527550453} is an apocalyptic number.

It is an amenable number.

257047527550453 is a deficient number, since it is larger than the sum of its proper divisors (4836591947).

257047527550453 is an equidigital number, since it uses as much as digits as its factorization.

257047527550453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836591946.

The product of its (nonzero) digits is 205800000, while the sum is 61.

The spelling of 257047527550453 in words is "two hundred fifty-seven trillion, forty-seven billion, five hundred twenty-seven million, five hundred fifty thousand, four hundred fifty-three".