2656001513 has 4 divisors (see below), whose sum is σ = 2897456208. Its totient is φ = 2414546820.

The previous prime is 2656001461. The next prime is 2656001519. The reversal of 2656001513 is 3151006562.

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 2656001513 - 2⁶ = 2656001449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2656001519) 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, 120727331 + ... + 120727352.

It is an arithmetic number, because the mean of its divisors is an integer number (724364052).

Almost surely, 2^2656001513 is an apocalyptic number.

It is an amenable number.

2656001513 is a deficient number, since it is larger than the sum of its proper divisors (241454695).

2656001513 is a wasteful number, since it uses less digits than its factorization.

2656001513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241454694.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 2656001513 is about 51536.4095858452. The cubic root of 2656001513 is about 1384.8713774910.

The spelling of 2656001513 in words is "two billion, six hundred fifty-six million, one thousand, five hundred thirteen".