263720677051025 has 12 divisors (see below), whose sum is σ = 327252859512192. Its totient is φ = 210822206177040.

The previous prime is 263720677051021. The next prime is 263720677051159. The reversal of 263720677051025 is 520150776027362.

It is a happy number.

It is not a de Polignac number, because 263720677051025 - 2² = 263720677051021 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263720677051021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3858351737 + ... + 3858420086.

It is an arithmetic number, because the mean of its divisors is an integer number (27271071626016).

Almost surely, 2^{263720677051025} is an apocalyptic number.

263720677051025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263720677051025 is a deficient number, since it is larger than the sum of its proper divisors (63532182461167).

263720677051025 is a wasteful number, since it uses less digits than its factorization.

263720677051025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7716773200 (or 7716773195 counting only the distinct ones).

The product of its (nonzero) digits is 7408800, while the sum is 53.

The spelling of 263720677051025 in words is "two hundred sixty-three trillion, seven hundred twenty billion, six hundred seventy-seven million, fifty-one thousand, twenty-five".