63256845895 has 16 divisors (see below), whose sum is σ = 80391296448. Its totient is φ = 47618081280.

The previous prime is 63256845889. The next prime is 63256845913. The reversal of 63256845895 is 59854865236.

It is not a de Polignac number, because 63256845895 - 2⁹ = 63256845383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312262 + ... + 473308.

It is an arithmetic number, because the mean of its divisors is an integer number (5024456028).

Almost surely, 2^63256845895 is an apocalyptic number.

63256845895 is a deficient number, since it is larger than the sum of its proper divisors (17134450553).

63256845895 is a wasteful number, since it uses less digits than its factorization.

63256845895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165690.

The product of its digits is 62208000, while the sum is 61.

The spelling of 63256845895 in words is "sixty-three billion, two hundred fifty-six million, eight hundred forty-five thousand, eight hundred ninety-five".