2549069791 has 2 divisors, whose sum is σ = 2549069792. Its totient is φ = 2549069790.

The previous prime is 2549069779. The next prime is 2549069801. The reversal of 2549069791 is 1979609452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2549069791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2549069771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1274534895 + 1274534896.

It is an arithmetic number, because the mean of its divisors is an integer number (1274534896).

Almost surely, 2^2549069791 is an apocalyptic number.

2549069791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2549069791 is an equidigital number, since it uses as much as digits as its factorization.

2549069791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The square root of 2549069791 is about 50488.3134101348. The cubic root of 2549069791 is about 1366.0310637989.

The spelling of 2549069791 in words is "two billion, five hundred forty-nine million, sixty-nine thousand, seven hundred ninety-one".