263676748351 has 4 divisors (see below), whose sum is σ = 263677775472. Its totient is φ = 263675721232.

The previous prime is 263676748339. The next prime is 263676748403. The reversal of 263676748351 is 153847676362.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263676748351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263676748451) 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 3 ways as a sum of consecutive naturals, for example, 244491 + ... + 766243.

It is an arithmetic number, because the mean of its divisors is an integer number (65919443868).

Almost surely, 2^263676748351 is an apocalyptic number.

263676748351 is a deficient number, since it is larger than the sum of its proper divisors (1027121).

263676748351 is an equidigital number, since it uses as much as digits as its factorization.

263676748351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027120.

The product of its digits is 30481920, while the sum is 58.

The spelling of 263676748351 in words is "two hundred sixty-three billion, six hundred seventy-six million, seven hundred forty-eight thousand, three hundred fifty-one".