2549059687 has 2 divisors, whose sum is σ = 2549059688. Its totient is φ = 2549059686.

The previous prime is 2549059621. The next prime is 2549059691. The reversal of 2549059687 is 7869509452.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2549059687 - 2⁷ = 2549059559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2549059607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1274529843 + 1274529844.

It is an arithmetic number, because the mean of its divisors is an integer number (1274529844).

Almost surely, 2^2549059687 is an apocalyptic number.

2549059687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2549059687 is an equidigital number, since it uses as much as digits as its factorization.

2549059687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The square root of 2549059687 is about 50488.2133472754. The cubic root of 2549059687 is about 1366.0292589057.

The spelling of 2549059687 in words is "two billion, five hundred forty-nine million, fifty-nine thousand, six hundred eighty-seven".