44402021239 has 2 divisors, whose sum is σ = 44402021240. Its totient is φ = 44402021238.

The previous prime is 44402021231. The next prime is 44402021243. The reversal of 44402021239 is 93212020444.

44402021239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44402021239 - 2³ = 44402021231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44402021239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44402021231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22201010619 + 22201010620.

It is an arithmetic number, because the mean of its divisors is an integer number (22201010620).

Almost surely, 2^44402021239 is an apocalyptic number.

44402021239 is a deficient number, since it is larger than the sum of its proper divisors (1).

44402021239 is an equidigital number, since it uses as much as digits as its factorization.

44402021239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 44402021239 in words is "forty-four billion, four hundred two million, twenty-one thousand, two hundred thirty-nine".