2002244639 has 2 divisors, whose sum is σ = 2002244640. Its totient is φ = 2002244638.

The previous prime is 2002244623. The next prime is 2002244641. The reversal of 2002244639 is 9364422002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2002244639 - 2⁴ = 2002244623 is a prime.

Together with 2002244641, 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 (2002244239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001122319 + 1001122320.

It is an arithmetic number, because the mean of its divisors is an integer number (1001122320).

Almost surely, 2^2002244639 is an apocalyptic number.

2002244639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002244639 is an equidigital number, since it uses as much as digits as its factorization.

2002244639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 2002244639 is about 44746.4483395051. The cubic root of 2002244639 is about 1260.3922183259.

The spelling of 2002244639 in words is "two billion, two million, two hundred forty-four thousand, six hundred thirty-nine".