1263682463 has 2 divisors, whose sum is σ = 1263682464. Its totient is φ = 1263682462.

The previous prime is 1263682429. The next prime is 1263682477. The reversal of 1263682463 is 3642863621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1263682463 - 2⁸ = 1263682207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1263682463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1263682663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631841231 + 631841232.

It is an arithmetic number, because the mean of its divisors is an integer number (631841232).

Almost surely, 2^1263682463 is an apocalyptic number.

1263682463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1263682463 is an equidigital number, since it uses as much as digits as its factorization.

1263682463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 41.

The square root of 1263682463 is about 35548.3116758026. The cubic root of 1263682463 is about 1081.1334873150.

The spelling of 1263682463 in words is "one billion, two hundred sixty-three million, six hundred eighty-two thousand, four hundred sixty-three".