2798737913 has 2 divisors, whose sum is σ = 2798737914. Its totient is φ = 2798737912.

The previous prime is 2798737891. The next prime is 2798737951. The reversal of 2798737913 is 3197378972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1915637824 + 883100089 = 43768^2 + 29717^2 .

It is a cyclic number.

It is not a de Polignac number, because 2798737913 - 2⁶ = 2798737849 is a prime.

It is not a weakly prime, because it can be changed into another prime (2798737813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1399368956 + 1399368957.

It is an arithmetic number, because the mean of its divisors is an integer number (1399368957).

Almost surely, 2^2798737913 is an apocalyptic number.

It is an amenable number.

2798737913 is a deficient number, since it is larger than the sum of its proper divisors (1).

2798737913 is an equidigital number, since it uses as much as digits as its factorization.

2798737913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000752, while the sum is 56.

The square root of 2798737913 is about 52903.0992759403. The cubic root of 2798737913 is about 1409.2479454414.

The spelling of 2798737913 in words is "two billion, seven hundred ninety-eight million, seven hundred thirty-seven thousand, nine hundred thirteen".