2030021839 has 2 divisors, whose sum is σ = 2030021840. Its totient is φ = 2030021838.

The previous prime is 2030021831. The next prime is 2030021849. The reversal of 2030021839 is 9381200302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2030021839 - 2³ = 2030021831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2030021831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015010919 + 1015010920.

It is an arithmetic number, because the mean of its divisors is an integer number (1015010920).

Almost surely, 2^2030021839 is an apocalyptic number.

2030021839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030021839 is an equidigital number, since it uses as much as digits as its factorization.

2030021839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2030021839 is about 45055.7636601578. The cubic root of 2030021839 is about 1266.1939575984.

The spelling of 2030021839 in words is "two billion, thirty million, twenty-one thousand, eight hundred thirty-nine".