3256644113 has 4 divisors (see below), whose sum is σ = 3258877680. Its totient is φ = 3254410548.

The previous prime is 3256644103. The next prime is 3256644169. The reversal of 3256644113 is 3114466523.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3256644113 - 2⁸ = 3256643857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3256644103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114595 + ... + 1117512.

It is an arithmetic number, because the mean of its divisors is an integer number (814719420).

Almost surely, 2^3256644113 is an apocalyptic number.

It is an amenable number.

3256644113 is a deficient number, since it is larger than the sum of its proper divisors (2233567).

3256644113 is a wasteful number, since it uses less digits than its factorization.

3256644113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233566.

The product of its digits is 51840, while the sum is 35.

The square root of 3256644113 is about 57067.0142288871. The cubic root of 3256644113 is about 1482.2567398865.

The spelling of 3256644113 in words is "three billion, two hundred fifty-six million, six hundred forty-four thousand, one hundred thirteen".