4256731138707 has 16 divisors (see below), whose sum is σ = 6306618627360. Its totient is φ = 2837663136000.

The previous prime is 4256731138703. The next prime is 4256731138757. The reversal of 4256731138707 is 7078311376524.

4256731138707 is a `hidden beast` number, since 4 + 2 + 567 + 3 + 1 + 1 + 3 + 8 + 70 + 7 = 666.

It is not a de Polignac number, because 4256731138707 - 2² = 4256731138703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4256731138703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3882294 + ... + 4856507.

It is an arithmetic number, because the mean of its divisors is an integer number (394163664210).

Almost surely, 2^{4256731138707} is an apocalyptic number.

4256731138707 is a deficient number, since it is larger than the sum of its proper divisors (2049887488653).

4256731138707 is a wasteful number, since it uses less digits than its factorization.

4256731138707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8756851 (or 8756845 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The spelling of 4256731138707 in words is "four trillion, two hundred fifty-six billion, seven hundred thirty-one million, one hundred thirty-eight thousand, seven hundred seven".