2656795240563 has 4 divisors (see below), whose sum is σ = 3542393654088. Its totient is φ = 1771196827040.

The previous prime is 2656795240559. The next prime is 2656795240633. The reversal of 2656795240563 is 3650425976562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2656795240563 - 2² = 2656795240559 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2656795240497 and 2656795240506.

It is not an unprimeable number, because it can be changed into a prime (2656795240553) 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, 442799206758 + ... + 442799206763.

It is an arithmetic number, because the mean of its divisors is an integer number (885598413522).

Almost surely, 2^{2656795240563} is an apocalyptic number.

2656795240563 is a deficient number, since it is larger than the sum of its proper divisors (885598413525).

2656795240563 is an equidigital number, since it uses as much as digits as its factorization.

2656795240563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885598413524.

The product of its (nonzero) digits is 81648000, while the sum is 60.

The spelling of 2656795240563 in words is "two trillion, six hundred fifty-six billion, seven hundred ninety-five million, two hundred forty thousand, five hundred sixty-three".