27699348959 has 2 divisors, whose sum is σ = 27699348960. Its totient is φ = 27699348958.

The previous prime is 27699348953. The next prime is 27699349021. The reversal of 27699348959 is 95984399672.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27699348959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27699348892 and 27699348901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27699348953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13849674479 + 13849674480.

It is an arithmetic number, because the mean of its divisors is an integer number (13849674480).

Almost surely, 2^27699348959 is an apocalyptic number.

27699348959 is a deficient number, since it is larger than the sum of its proper divisors (1).

27699348959 is an equidigital number, since it uses as much as digits as its factorization.

27699348959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264539520, while the sum is 71.

The spelling of 27699348959 in words is "twenty-seven billion, six hundred ninety-nine million, three hundred forty-eight thousand, nine hundred fifty-nine".