6256713861 has 20 divisors (see below), whose sum is σ = 9376539744. Its totient is φ = 4157713800.

The previous prime is 6256713833. The next prime is 6256713871. The reversal of 6256713861 is 1683176526.

6256713861 is a `hidden beast` number, since 6 + 2 + 567 + 1 + 3 + 86 + 1 = 666.

It is not a de Polignac number, because 6256713861 - 2¹⁴ = 6256697477 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6256713871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 98995 + ... + 149376.

Almost surely, 2^6256713861 is an apocalyptic number.

It is an amenable number.

6256713861 is a deficient number, since it is larger than the sum of its proper divisors (3119825883).

6256713861 is a wasteful number, since it uses less digits than its factorization.

6256713861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248694 (or 248685 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 6256713861 is about 79099.3922922294. The cubic root of 6256713861 is about 1842.6750886292.

The spelling of 6256713861 in words is "six billion, two hundred fifty-six million, seven hundred thirteen thousand, eight hundred sixty-one".