27140747651 has 2 divisors, whose sum is σ = 27140747652. Its totient is φ = 27140747650.

The previous prime is 27140747567. The next prime is 27140747713. The reversal of 27140747651 is 15674704172.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27140747651 - 2²² = 27136553347 is a prime.

It is not a weakly prime, because it can be changed into another prime (27140747251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13570373825 + 13570373826.

It is an arithmetic number, because the mean of its divisors is an integer number (13570373826).

Almost surely, 2^27140747651 is an apocalyptic number.

27140747651 is a deficient number, since it is larger than the sum of its proper divisors (1).

27140747651 is an equidigital number, since it uses as much as digits as its factorization.

27140747651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 329280, while the sum is 44.

The spelling of 27140747651 in words is "twenty-seven billion, one hundred forty million, seven hundred forty-seven thousand, six hundred fifty-one".