2798917291 has 2 divisors, whose sum is σ = 2798917292. Its totient is φ = 2798917290.

The previous prime is 2798917279. The next prime is 2798917327. The reversal of 2798917291 is 1927198972.

2798917291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2798917291 - 2¹¹ = 2798915243 is a prime.

It is not a weakly prime, because it can be changed into another prime (2798917241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1399458645 + 1399458646.

It is an arithmetic number, because the mean of its divisors is an integer number (1399458646).

Almost surely, 2^2798917291 is an apocalyptic number.

2798917291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2798917291 is an equidigital number, since it uses as much as digits as its factorization.

2798917291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 55.

The square root of 2798917291 is about 52904.7945936850. The cubic root of 2798917291 is about 1409.2780521878.

The spelling of 2798917291 in words is "two billion, seven hundred ninety-eight million, nine hundred seventeen thousand, two hundred ninety-one".