1963255768 has 16 divisors (see below), whose sum is σ = 3681575280. Its totient is φ = 981502368.

The previous prime is 1963255759. The next prime is 1963255787. The reversal of 1963255768 is 8675523691.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110221 + ... + 126787.

It is an arithmetic number, because the mean of its divisors is an integer number (230098455).

Almost surely, 2^1963255768 is an apocalyptic number.

It is an amenable number.

1963255768 is a deficient number, since it is larger than the sum of its proper divisors (1718319512).

1963255768 is a wasteful number, since it uses less digits than its factorization.

1963255768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31386 (or 31382 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 52.

The square root of 1963255768 is about 44308.6421367209. The cubic root of 1963255768 is about 1252.1575045037.

The spelling of 1963255768 in words is "one billion, nine hundred sixty-three million, two hundred fifty-five thousand, seven hundred sixty-eight".