2664256013 has 16 divisors (see below), whose sum is σ = 2778969600. Its totient is φ = 2551167360.

The previous prime is 2664255983. The next prime is 2664256051. The reversal of 2664256013 is 3106524662.

It is a happy number.

2664256013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2664256013 - 2⁶ = 2664255949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664256613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2066273 + ... + 2067561.

It is an arithmetic number, because the mean of its divisors is an integer number (173685600).

Almost surely, 2^2664256013 is an apocalyptic number.

It is an amenable number.

2664256013 is a deficient number, since it is larger than the sum of its proper divisors (114713587).

2664256013 is a wasteful number, since it uses less digits than its factorization.

2664256013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852.

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

The square root of 2664256013 is about 51616.4316182357. The cubic root of 2664256013 is about 1386.3045592479.

The spelling of 2664256013 in words is "two billion, six hundred sixty-four million, two hundred fifty-six thousand, thirteen".