4256340064331 has 2 divisors, whose sum is σ = 4256340064332. Its totient is φ = 4256340064330.

The previous prime is 4256340064309. The next prime is 4256340064373. The reversal of 4256340064331 is 1334600436524.

4256340064331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4256340064331 - 2⁶ = 4256340064267 is a prime.

It is a super-2 number, since 2×4256340064331² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4256340064391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2128170032165 + 2128170032166.

It is an arithmetic number, because the mean of its divisors is an integer number (2128170032166).

Almost surely, 2^{4256340064331} is an apocalyptic number.

4256340064331 is a deficient number, since it is larger than the sum of its proper divisors (1).

4256340064331 is an equidigital number, since it uses as much as digits as its factorization.

4256340064331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 41.

The spelling of 4256340064331 in words is "four trillion, two hundred fifty-six billion, three hundred forty million, sixty-four thousand, three hundred thirty-one".