6256631878193 has 8 divisors (see below), whose sum is σ = 6321945131208. Its totient is φ = 6191335194624.

The previous prime is 6256631878183. The next prime is 6256631878199. The reversal of 6256631878193 is 3918781366526.

It can be written as a sum of positive squares in 4 ways, for example, as 2026913147809 + 4229718730384 = 1423697^2 + 2056628^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6256631878193 - 2⁴ = 6256631878177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6256631878199) 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, 3382496 + ... + 4894337.

It is an arithmetic number, because the mean of its divisors is an integer number (790243141401).

Almost surely, 2^{6256631878193} is an apocalyptic number.

It is an amenable number.

6256631878193 is a deficient number, since it is larger than the sum of its proper divisors (65313253015).

6256631878193 is an equidigital number, since it uses as much as digits as its factorization.

6256631878193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8284723.

The product of its digits is 78382080, while the sum is 65.

The spelling of 6256631878193 in words is "six trillion, two hundred fifty-six billion, six hundred thirty-one million, eight hundred seventy-eight thousand, one hundred ninety-three".