1311463763 has 2 divisors, whose sum is σ = 1311463764. Its totient is φ = 1311463762.

The previous prime is 1311463721. The next prime is 1311463799. The reversal of 1311463763 is 3673641131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1311463763 is a prime.

It is not a weakly prime, because it can be changed into another prime (1311460763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655731881 + 655731882.

It is an arithmetic number, because the mean of its divisors is an integer number (655731882).

Almost surely, 2^1311463763 is an apocalyptic number.

1311463763 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311463763 is an equidigital number, since it uses as much as digits as its factorization.

1311463763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 1311463763 is about 36214.1376122641. The cubic root of 1311463763 is about 1094.5915681702.

The spelling of 1311463763 in words is "one billion, three hundred eleven million, four hundred sixty-three thousand, seven hundred sixty-three".