263764125995 has 12 divisors (see below), whose sum is σ = 320535899040. Its totient is φ = 208332209280.

The previous prime is 263764125973. The next prime is 263764125997. The reversal of 263764125995 is 599521467362.

It is a happy number.

263764125995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 263764125995 - 2²⁰ = 263763077419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263764125997) 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 11 ways as a sum of consecutive naturals, for example, 10194275 + ... + 10220115.

It is an arithmetic number, because the mean of its divisors is an integer number (26711324920).

Almost surely, 2^263764125995 is an apocalyptic number.

263764125995 is a deficient number, since it is larger than the sum of its proper divisors (56771773045).

263764125995 is an frugal number, since it uses more digits than its factorization.

263764125995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51766 (or 25925 counting only the distinct ones).

The product of its digits is 24494400, while the sum is 59.

The spelling of 263764125995 in words is "two hundred sixty-three billion, seven hundred sixty-four million, one hundred twenty-five thousand, nine hundred ninety-five".