10256253819 has 32 divisors (see below), whose sum is σ = 15987331584. Its totient is φ = 5727072000.

The previous prime is 10256253811. The next prime is 10256253841. The reversal of 10256253819 is 91835265201.

It is not a de Polignac number, because 10256253819 - 2³ = 10256253811 is a prime.

It is a super-2 number, since 2×10256253819² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10256253811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261007 + ... + 297719.

It is an arithmetic number, because the mean of its divisors is an integer number (499604112).

Almost surely, 2^10256253819 is an apocalyptic number.

10256253819 is a deficient number, since it is larger than the sum of its proper divisors (5731077765).

10256253819 is a wasteful number, since it uses less digits than its factorization.

10256253819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37027.

The product of its (nonzero) digits is 129600, while the sum is 42.

The spelling of 10256253819 in words is "ten billion, two hundred fifty-six million, two hundred fifty-three thousand, eight hundred nineteen".