1040664763 has 2 divisors, whose sum is σ = 1040664764. Its totient is φ = 1040664762.

The previous prime is 1040664733. The next prime is 1040664803. The reversal of 1040664763 is 3674660401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1040664763 - 2⁵ = 1040664731 is a prime.

It is not a weakly prime, because it can be changed into another prime (1040664733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520332381 + 520332382.

It is an arithmetic number, because the mean of its divisors is an integer number (520332382).

Almost surely, 2^1040664763 is an apocalyptic number.

1040664763 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040664763 is an equidigital number, since it uses as much as digits as its factorization.

1040664763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 1040664763 is about 32259.3360595038. The cubic root of 1040664763 is about 1013.3752267157.

The spelling of 1040664763 in words is "one billion, forty million, six hundred sixty-four thousand, seven hundred sixty-three".