2104139959 has 2 divisors, whose sum is σ = 2104139960. Its totient is φ = 2104139958.

The previous prime is 2104139903. The next prime is 2104140019. The reversal of 2104139959 is 9599314012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2104139959 - 2⁷ = 2104139831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2104139159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052069979 + 1052069980.

It is an arithmetic number, because the mean of its divisors is an integer number (1052069980).

Almost surely, 2^2104139959 is an apocalyptic number.

2104139959 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104139959 is an equidigital number, since it uses as much as digits as its factorization.

2104139959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 2104139959 is about 45870.9053649478. The cubic root of 2104139959 is about 1281.4201277195.

The spelling of 2104139959 in words is "two billion, one hundred four million, one hundred thirty-nine thousand, nine hundred fifty-nine".