663253144699 has 2 divisors, whose sum is σ = 663253144700. Its totient is φ = 663253144698.

The previous prime is 663253144591. The next prime is 663253144709. The reversal of 663253144699 is 996441352366.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 663253144699 - 2²⁷ = 663118926971 is a prime.

It is a super-2 number, since 2×663253144699² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (663253145699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331626572349 + 331626572350.

It is an arithmetic number, because the mean of its divisors is an integer number (331626572350).

Almost surely, 2^663253144699 is an apocalyptic number.

663253144699 is a deficient number, since it is larger than the sum of its proper divisors (1).

663253144699 is an equidigital number, since it uses as much as digits as its factorization.

663253144699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25194240, while the sum is 58.

The spelling of 663253144699 in words is "six hundred sixty-three billion, two hundred fifty-three million, one hundred forty-four thousand, six hundred ninety-nine".