2740812791 has 2 divisors, whose sum is σ = 2740812792. Its totient is φ = 2740812790.

The previous prime is 2740812677. The next prime is 2740812829. The reversal of 2740812791 is 1972180472.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2740812791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2740812091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1370406395 + 1370406396.

It is an arithmetic number, because the mean of its divisors is an integer number (1370406396).

Almost surely, 2^2740812791 is an apocalyptic number.

2740812791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2740812791 is an equidigital number, since it uses as much as digits as its factorization.

2740812791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 2740812791 is about 52352.7725244805. The cubic root of 2740812791 is about 1399.4577476533.

The spelling of 2740812791 in words is "two billion, seven hundred forty million, eight hundred twelve thousand, seven hundred ninety-one".