10256643313 has 8 divisors (see below), whose sum is σ = 11723296640. Its totient is φ = 8790344640.

The previous prime is 10256643307. The next prime is 10256643359. The reversal of 10256643313 is 31334665201.

10256643313 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10256643313 - 2⁹ = 10256642801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10256643373) 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, 23493 + ... + 145138.

It is an arithmetic number, because the mean of its divisors is an integer number (1465412080).

Almost surely, 2^10256643313 is an apocalyptic number.

It is an amenable number.

10256643313 is a deficient number, since it is larger than the sum of its proper divisors (1466653327).

10256643313 is an equidigital number, since it uses as much as digits as its factorization.

10256643313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177327.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 10256643313 in words is "ten billion, two hundred fifty-six million, six hundred forty-three thousand, three hundred thirteen".