2590998647 has 2 divisors, whose sum is σ = 2590998648. Its totient is φ = 2590998646.

The previous prime is 2590998643. The next prime is 2590998661. The reversal of 2590998647 is 7468990952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2590998647 - 2² = 2590998643 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2590998643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1295499323 + 1295499324.

It is an arithmetic number, because the mean of its divisors is an integer number (1295499324).

Almost surely, 2^2590998647 is an apocalyptic number.

2590998647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2590998647 is an equidigital number, since it uses as much as digits as its factorization.

2590998647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 59.

The square root of 2590998647 is about 50901.8530802170. The cubic root of 2590998647 is about 1373.4801758352.

The spelling of 2590998647 in words is "two billion, five hundred ninety million, nine hundred ninety-eight thousand, six hundred forty-seven".