27256046737 has 2 divisors, whose sum is σ = 27256046738. Its totient is φ = 27256046736.

The previous prime is 27256046731. The next prime is 27256046767. The reversal of 27256046737 is 73764065272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23384220561 + 3871826176 = 152919^2 + 62224^2 .

It is a cyclic number.

It is not a de Polignac number, because 27256046737 - 2¹¹ = 27256044689 is a prime.

It is not a weakly prime, because it can be changed into another prime (27256046731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13628023368 + 13628023369.

It is an arithmetic number, because the mean of its divisors is an integer number (13628023369).

Almost surely, 2^27256046737 is an apocalyptic number.

It is an amenable number.

27256046737 is a deficient number, since it is larger than the sum of its proper divisors (1).

27256046737 is an equidigital number, since it uses as much as digits as its factorization.

27256046737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2963520, while the sum is 49.

The spelling of 27256046737 in words is "twenty-seven billion, two hundred fifty-six million, forty-six thousand, seven hundred thirty-seven".