257324944413 has 8 divisors (see below), whose sum is σ = 361157816800. Its totient is φ = 162521017488.

The previous prime is 257324944381. The next prime is 257324944417. The reversal of 257324944413 is 314449423752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 257324944413 - 2⁵ = 257324944381 is a prime.

It is a super-5 number, since 5×257324944413⁵ (a number of 58 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257324944417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2257236298 + ... + 2257236411.

It is an arithmetic number, because the mean of its divisors is an integer number (45144727100).

Almost surely, 2^257324944413 is an apocalyptic number.

It is an amenable number.

257324944413 is a deficient number, since it is larger than the sum of its proper divisors (103832872387).

257324944413 is a wasteful number, since it uses less digits than its factorization.

257324944413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514472731.

The product of its digits is 2903040, while the sum is 48.

The spelling of 257324944413 in words is "two hundred fifty-seven billion, three hundred twenty-four million, nine hundred forty-four thousand, four hundred thirteen".