2798614391 has 2 divisors, whose sum is σ = 2798614392. Its totient is φ = 2798614390.

The previous prime is 2798614369. The next prime is 2798614393. The reversal of 2798614391 is 1934168972.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2798614391 - 2²² = 2794420087 is a prime.

It is a Sophie Germain prime.

Together with 2798614393, 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 (2798614393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1399307195 + 1399307196.

It is an arithmetic number, because the mean of its divisors is an integer number (1399307196).

Almost surely, 2^2798614391 is an apocalyptic number.

2798614391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2798614391 is an equidigital number, since it uses as much as digits as its factorization.

2798614391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 50.

The square root of 2798614391 is about 52901.9318267301. The cubic root of 2798614391 is about 1409.2272128004.

The spelling of 2798614391 in words is "two billion, seven hundred ninety-eight million, six hundred fourteen thousand, three hundred ninety-one".