2513021839 has 2 divisors, whose sum is σ = 2513021840. Its totient is φ = 2513021838.

The previous prime is 2513021831. The next prime is 2513021881. The reversal of 2513021839 is 9381203152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2513021839 - 2³ = 2513021831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2513021831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1256510919 + 1256510920.

It is an arithmetic number, because the mean of its divisors is an integer number (1256510920).

Almost surely, 2^2513021839 is an apocalyptic number.

2513021839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2513021839 is an equidigital number, since it uses as much as digits as its factorization.

2513021839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 2513021839 is about 50130.0492618948. The cubic root of 2513021839 is about 1359.5611760044.

The spelling of 2513021839 in words is "two billion, five hundred thirteen million, twenty-one thousand, eight hundred thirty-nine".