263113894475 has 24 divisors (see below), whose sum is σ = 328798174320. Its totient is φ = 208859504000.

The previous prime is 263113894409. The next prime is 263113894531. The reversal of 263113894475 is 574498311362.

It is not a de Polignac number, because 263113894475 - 2¹⁰ = 263113893451 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1999205 + ... + 2126745.

It is an arithmetic number, because the mean of its divisors is an integer number (13699923930).

Almost surely, 2^263113894475 is an apocalyptic number.

263113894475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

263113894475 is a deficient number, since it is larger than the sum of its proper divisors (65684279845).

263113894475 is a wasteful number, since it uses less digits than its factorization.

263113894475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128191 (or 128186 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 53.

The spelling of 263113894475 in words is "two hundred sixty-three billion, one hundred thirteen million, eight hundred ninety-four thousand, four hundred seventy-five".