210044039 has 2 divisors, whose sum is σ = 210044040. Its totient is φ = 210044038.

The previous prime is 210044017. The next prime is 210044041. The reversal of 210044039 is 930440012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210044039 - 2²⁰ = 208995463 is a prime.

Together with 210044041, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210044099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105022019 + 105022020.

It is an arithmetic number, because the mean of its divisors is an integer number (105022020).

Almost surely, 2^210044039 is an apocalyptic number.

210044039 is a deficient number, since it is larger than the sum of its proper divisors (1).

210044039 is an equidigital number, since it uses as much as digits as its factorization.

210044039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 210044039 is about 14492.8961563933. The cubic root of 210044039 is about 594.4337422736.

The spelling of 210044039 in words is "two hundred ten million, forty-four thousand, thirty-nine".