453988663 has 2 divisors, whose sum is σ = 453988664. Its totient is φ = 453988662.

The previous prime is 453988643. The next prime is 453988699. The reversal of 453988663 is 366889354.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-453988663 is a prime.

It is a super-2 number, since 2×453988663² = 412211412265055138, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 453988663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (453988643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226994331 + 226994332.

It is an arithmetic number, because the mean of its divisors is an integer number (226994332).

Almost surely, 2^453988663 is an apocalyptic number.

453988663 is a deficient number, since it is larger than the sum of its proper divisors (1).

453988663 is an equidigital number, since it uses as much as digits as its factorization.

453988663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 52.

The square root of 453988663 is about 21307.0097151149. The cubic root of 453988663 is about 768.5668868469.

The spelling of 453988663 in words is "four hundred fifty-three million, nine hundred eighty-eight thousand, six hundred sixty-three".