2549664127 has 2 divisors, whose sum is σ = 2549664128. Its totient is φ = 2549664126.

The previous prime is 2549664121. The next prime is 2549664167. The reversal of 2549664127 is 7214669452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2549664127 - 2⁷ = 2549663999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2549664121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1274832063 + 1274832064.

It is an arithmetic number, because the mean of its divisors is an integer number (1274832064).

Almost surely, 2^2549664127 is an apocalyptic number.

2549664127 is a deficient number, since it is larger than the sum of its proper divisors (1).

2549664127 is an equidigital number, since it uses as much as digits as its factorization.

2549664127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The square root of 2549664127 is about 50494.1989440371. The cubic root of 2549664127 is about 1366.1372225697.

The spelling of 2549664127 in words is "two billion, five hundred forty-nine million, six hundred sixty-four thousand, one hundred twenty-seven".