268758174457 has 4 divisors (see below), whose sum is σ = 274476433536. Its totient is φ = 263039915380.

The previous prime is 268758174401. The next prime is 268758174473. The reversal of 268758174457 is 754471857862.

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 268758174457 - 2³⁵ = 234398436089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268758174757) 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, 2859129469 + ... + 2859129562.

It is an arithmetic number, because the mean of its divisors is an integer number (68619108384).

Almost surely, 2^268758174457 is an apocalyptic number.

It is an amenable number.

268758174457 is a deficient number, since it is larger than the sum of its proper divisors (5718259079).

268758174457 is an equidigital number, since it uses as much as digits as its factorization.

268758174457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5718259078.

The product of its digits is 105369600, while the sum is 64.

The spelling of 268758174457 in words is "two hundred sixty-eight billion, seven hundred fifty-eight million, one hundred seventy-four thousand, four hundred fifty-seven".