1045505663 has 2 divisors, whose sum is σ = 1045505664. Its totient is φ = 1045505662.

The previous prime is 1045505639. The next prime is 1045505677. The reversal of 1045505663 is 3665055401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1045505663 - 2⁸ = 1045505407 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1045505623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522752831 + 522752832.

It is an arithmetic number, because the mean of its divisors is an integer number (522752832).

Almost surely, 2^1045505663 is an apocalyptic number.

1045505663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1045505663 is an equidigital number, since it uses as much as digits as its factorization.

1045505663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 1045505663 is about 32334.2799981691. The cubic root of 1045505663 is about 1014.9441152791.

The spelling of 1045505663 in words is "one billion, forty-five million, five hundred five thousand, six hundred sixty-three".