27914662549 has 2 divisors, whose sum is σ = 27914662550. Its totient is φ = 27914662548.

The previous prime is 27914662513. The next prime is 27914662553. The reversal of 27914662549 is 94526641972.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16335396100 + 11579266449 = 127810^2 + 107607^2 .

It is a cyclic number.

It is not a de Polignac number, because 27914662549 - 2¹³ = 27914654357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27914662549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27914612549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13957331274 + 13957331275.

It is an arithmetic number, because the mean of its divisors is an integer number (13957331275).

Almost surely, 2^27914662549 is an apocalyptic number.

It is an amenable number.

27914662549 is a deficient number, since it is larger than the sum of its proper divisors (1).

27914662549 is an equidigital number, since it uses as much as digits as its factorization.

27914662549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 55.

The spelling of 27914662549 in words is "twenty-seven billion, nine hundred fourteen million, six hundred sixty-two thousand, five hundred forty-nine".