533618663 has 2 divisors, whose sum is σ = 533618664. Its totient is φ = 533618662.

The previous prime is 533618599. The next prime is 533618669. The reversal of 533618663 is 366816335.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 533618663 - 2⁶ = 533618599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 533618663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (533618669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266809331 + 266809332.

It is an arithmetic number, because the mean of its divisors is an integer number (266809332).

Almost surely, 2^533618663 is an apocalyptic number.

533618663 is a deficient number, since it is larger than the sum of its proper divisors (1).

533618663 is an equidigital number, since it uses as much as digits as its factorization.

533618663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 41.

The square root of 533618663 is about 23100.1875100615. The cubic root of 533618663 is about 811.1048596830.

The spelling of 533618663 in words is "five hundred thirty-three million, six hundred eighteen thousand, six hundred sixty-three".