2656470463 has 4 divisors (see below), whose sum is σ = 2728267000. Its totient is φ = 2584673928.

The previous prime is 2656470449. The next prime is 2656470547. The reversal of 2656470463 is 3640746562.

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 2656470463 - 2²¹ = 2654373311 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 (2656470433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35898213 + ... + 35898286.

It is an arithmetic number, because the mean of its divisors is an integer number (682066750).

Almost surely, 2^2656470463 is an apocalyptic number.

2656470463 is a deficient number, since it is larger than the sum of its proper divisors (71796537).

2656470463 is an equidigital number, since it uses as much as digits as its factorization.

2656470463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71796536.

The product of its (nonzero) digits is 725760, while the sum is 43.

The square root of 2656470463 is about 51540.9590811036. The cubic root of 2656470463 is about 1384.9528780989.

The spelling of 2656470463 in words is "two billion, six hundred fifty-six million, four hundred seventy thousand, four hundred sixty-three".