63233869 has 2 divisors, whose sum is σ = 63233870. Its totient is φ = 63233868.

The previous prime is 63233827. The next prime is 63233873. The reversal of 63233869 is 96833236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40068900 + 23164969 = 6330^2 + 4813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63233869 is a prime.

It is a super-2 number, since 2×63233869² = 7997044377418322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63233069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31616934 + 31616935.

It is an arithmetic number, because the mean of its divisors is an integer number (31616935).

Almost surely, 2^63233869 is an apocalyptic number.

It is an amenable number.

63233869 is a deficient number, since it is larger than the sum of its proper divisors (1).

63233869 is an equidigital number, since it uses as much as digits as its factorization.

63233869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 40.

The square root of 63233869 is about 7951.9726483433. The cubic root of 63233869 is about 398.3974821652.

The spelling of 63233869 in words is "sixty-three million, two hundred thirty-three thousand, eight hundred sixty-nine".