27913916659 has 2 divisors, whose sum is σ = 27913916660. Its totient is φ = 27913916658.

The previous prime is 27913916609. The next prime is 27913916663. The reversal of 27913916659 is 95661931972.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27913916659 - 2¹³ = 27913908467 is a prime.

It is not a weakly prime, because it can be changed into another prime (27913916609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13956958329 + 13956958330.

It is an arithmetic number, because the mean of its divisors is an integer number (13956958330).

Almost surely, 2^27913916659 is an apocalyptic number.

27913916659 is a deficient number, since it is larger than the sum of its proper divisors (1).

27913916659 is an equidigital number, since it uses as much as digits as its factorization.

27913916659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5511240, while the sum is 58.

The spelling of 27913916659 in words is "twenty-seven billion, nine hundred thirteen million, nine hundred sixteen thousand, six hundred fifty-nine".