263630223371 has 2 divisors, whose sum is σ = 263630223372. Its totient is φ = 263630223370.

The previous prime is 263630223323. The next prime is 263630223413. The reversal of 263630223371 is 173322036362.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-263630223371 is a prime.

It is not a weakly prime, because it can be changed into another prime (263630223301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131815111685 + 131815111686.

It is an arithmetic number, because the mean of its divisors is an integer number (131815111686).

Almost surely, 2^263630223371 is an apocalyptic number.

263630223371 is a deficient number, since it is larger than the sum of its proper divisors (1).

263630223371 is an equidigital number, since it uses as much as digits as its factorization.

263630223371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 38.

The spelling of 263630223371 in words is "two hundred sixty-three billion, six hundred thirty million, two hundred twenty-three thousand, three hundred seventy-one".