2556214463 has 4 divisors (see below), whose sum is σ = 2788597608. Its totient is φ = 2323831320.

The previous prime is 2556214379. The next prime is 2556214489. The reversal of 2556214463 is 3644126552.

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 2556214463 - 2¹⁸ = 2555952319 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 (2556214663) 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, 116191556 + ... + 116191577.

It is an arithmetic number, because the mean of its divisors is an integer number (697149402).

Almost surely, 2^2556214463 is an apocalyptic number.

2556214463 is a deficient number, since it is larger than the sum of its proper divisors (232383145).

2556214463 is a wasteful number, since it uses less digits than its factorization.

2556214463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232383144.

The product of its digits is 172800, while the sum is 38.

The square root of 2556214463 is about 50559.0196008586. The cubic root of 2556214463 is about 1367.3061354119.

The spelling of 2556214463 in words is "two billion, five hundred fifty-six million, two hundred fourteen thousand, four hundred sixty-three".