2459686991 has 2 divisors, whose sum is σ = 2459686992. Its totient is φ = 2459686990.

The previous prime is 2459686987. The next prime is 2459687023. The reversal of 2459686991 is 1996869542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2459686991 - 2² = 2459686987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2459686991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2459686961) 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, 1229843495 + 1229843496.

It is an arithmetic number, because the mean of its divisors is an integer number (1229843496).

Almost surely, 2^2459686991 is an apocalyptic number.

2459686991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2459686991 is an equidigital number, since it uses as much as digits as its factorization.

2459686991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8398080, while the sum is 59.

The square root of 2459686991 is about 49595.2315348966. The cubic root of 2459686991 is about 1349.8741521462.

The spelling of 2459686991 in words is "two billion, four hundred fifty-nine million, six hundred eighty-six thousand, nine hundred ninety-one".