263845872474625 has 32 divisors (see below), whose sum is σ = 379973187150336. Its totient is φ = 179166351067200.

The previous prime is 263845872474601. The next prime is 263845872474647. The reversal of 263845872474625 is 526474278548362.

It is not a de Polignac number, because 263845872474625 - 2¹¹ = 263845872472577 is a prime.

It is a super-2 number, since 2×263845872474625² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1463687254 + ... + 1463867503.

It is an arithmetic number, because the mean of its divisors is an integer number (11874162098448).

Almost surely, 2^{263845872474625} is an apocalyptic number.

263845872474625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263845872474625 is a deficient number, since it is larger than the sum of its proper divisors (116127314675711).

263845872474625 is a wasteful number, since it uses less digits than its factorization.

263845872474625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927554882 (or 2927554872 counting only the distinct ones).

The product of its digits is 4335206400, while the sum is 73.

The spelling of 263845872474625 in words is "two hundred sixty-three trillion, eight hundred forty-five billion, eight hundred seventy-two million, four hundred seventy-four thousand, six hundred twenty-five".