2656453463 has 4 divisors (see below), whose sum is σ = 2658493488. Its totient is φ = 2654413440.

The previous prime is 2656453421. The next prime is 2656453493. The reversal of 2656453463 is 3643546562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3643546562 = 2 ⋅1821773281.

It is a cyclic number.

It is not a de Polignac number, because 2656453463 - 2¹⁸ = 2656191319 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 (2656453493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018058 + ... + 1020663.

It is an arithmetic number, because the mean of its divisors is an integer number (664623372).

Almost surely, 2^2656453463 is an apocalyptic number.

2656453463 is a deficient number, since it is larger than the sum of its proper divisors (2040025).

2656453463 is a wasteful number, since it uses less digits than its factorization.

2656453463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040024.

The product of its digits is 1555200, while the sum is 44.

The square root of 2656453463 is about 51540.7941634585. The cubic root of 2656453463 is about 1384.9499237717.

The spelling of 2656453463 in words is "two billion, six hundred fifty-six million, four hundred fifty-three thousand, four hundred sixty-three".