1650677663 has 2 divisors, whose sum is σ = 1650677664. Its totient is φ = 1650677662.

The previous prime is 1650677657. The next prime is 1650677761. The reversal of 1650677663 is 3667760561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1650677663 - 2²⁸ = 1382242207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1650677653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825338831 + 825338832.

It is an arithmetic number, because the mean of its divisors is an integer number (825338832).

Almost surely, 2^1650677663 is an apocalyptic number.

1650677663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1650677663 is an equidigital number, since it uses as much as digits as its factorization.

1650677663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 952560, while the sum is 47.

The square root of 1650677663 is about 40628.5326217918. The cubic root of 1650677663 is about 1181.8275002767.

The spelling of 1650677663 in words is "one billion, six hundred fifty million, six hundred seventy-seven thousand, six hundred sixty-three".