27914662693 has 2 divisors, whose sum is σ = 27914662694. Its totient is φ = 27914662692.

The previous prime is 27914662651. The next prime is 27914662757. The reversal of 27914662693 is 39626641972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27876309444 + 38353249 = 166962^2 + 6193^2 .

It is a cyclic number.

It is not a de Polignac number, because 27914662693 - 2¹⁷ = 27914531621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27914662613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13957331346 + 13957331347.

It is an arithmetic number, because the mean of its divisors is an integer number (13957331347).

Almost surely, 2^27914662693 is an apocalyptic number.

It is an amenable number.

27914662693 is a deficient number, since it is larger than the sum of its proper divisors (1).

27914662693 is an equidigital number, since it uses as much as digits as its factorization.

27914662693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 55.

The spelling of 27914662693 in words is "twenty-seven billion, nine hundred fourteen million, six hundred sixty-two thousand, six hundred ninety-three".