27370550497 has 2 divisors, whose sum is σ = 27370550498. Its totient is φ = 27370550496.

The previous prime is 27370550483. The next prime is 27370550507. The reversal of 27370550497 is 79405507372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19617924096 + 7752626401 = 140064^2 + 88049^2 .

It is a cyclic number.

It is not a de Polignac number, because 27370550497 - 2²³ = 27362161889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27370550497.

It is not a weakly prime, because it can be changed into another prime (27370550897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13685275248 + 13685275249.

It is an arithmetic number, because the mean of its divisors is an integer number (13685275249).

Almost surely, 2^27370550497 is an apocalyptic number.

It is an amenable number.

27370550497 is a deficient number, since it is larger than the sum of its proper divisors (1).

27370550497 is an equidigital number, since it uses as much as digits as its factorization.

27370550497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1852200, while the sum is 49.

The spelling of 27370550497 in words is "twenty-seven billion, three hundred seventy million, five hundred fifty thousand, four hundred ninety-seven".