257172267236414 has 4 divisors (see below), whose sum is σ = 385758400854624. Its totient is φ = 128586133618206.

The previous prime is 257172267236411. The next prime is 257172267236453. The reversal of 257172267236414 is 414632762271752.

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

It is a super-2 number, since 2×257172267236414² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257172267236411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64293066809102 + ... + 64293066809105.

It is an arithmetic number, because the mean of its divisors is an integer number (96439600213656).

Almost surely, 2^{257172267236414} is an apocalyptic number.

257172267236414 is a deficient number, since it is larger than the sum of its proper divisors (128586133618210).

257172267236414 is a wasteful number, since it uses less digits than its factorization.

257172267236414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128586133618209.

The product of its digits is 47416320, while the sum is 59.

The spelling of 257172267236414 in words is "two hundred fifty-seven trillion, one hundred seventy-two billion, two hundred sixty-seven million, two hundred thirty-six thousand, four hundred fourteen".