633872039 has 2 divisors, whose sum is σ = 633872040. Its totient is φ = 633872038.

The previous prime is 633872021. The next prime is 633872069. The reversal of 633872039 is 930278336.

633872039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 633872039 - 2²⁴ = 617094823 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 633871987 and 633872005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (633872009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316936019 + 316936020.

It is an arithmetic number, because the mean of its divisors is an integer number (316936020).

Almost surely, 2^633872039 is an apocalyptic number.

633872039 is a deficient number, since it is larger than the sum of its proper divisors (1).

633872039 is an equidigital number, since it uses as much as digits as its factorization.

633872039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 633872039 is about 25176.8155055400. The cubic root of 633872039 is about 859.0145730150.

The spelling of 633872039 in words is "six hundred thirty-three million, eight hundred seventy-two thousand, thirty-nine".