2049242791 has 2 divisors, whose sum is σ = 2049242792. Its totient is φ = 2049242790.

The previous prime is 2049242779. The next prime is 2049242803. The reversal of 2049242791 is 1972429402.

It is a balanced prime because it is at equal distance from previous prime (2049242779) and next prime (2049242803).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2049242791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2049242491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024621395 + 1024621396.

It is an arithmetic number, because the mean of its divisors is an integer number (1024621396).

Almost surely, 2^2049242791 is an apocalyptic number.

2049242791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2049242791 is an equidigital number, since it uses as much as digits as its factorization.

2049242791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 2049242791 is about 45268.5629438355. The cubic root of 2049242791 is about 1270.1776656398.

The spelling of 2049242791 in words is "two billion, forty-nine million, two hundred forty-two thousand, seven hundred ninety-one".