27591746701 has 2 divisors, whose sum is σ = 27591746702. Its totient is φ = 27591746700.

The previous prime is 27591746641. The next prime is 27591746717. The reversal of 27591746701 is 10764719572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26429004900 + 1162741801 = 162570^2 + 34099^2 .

It is a cyclic number.

It is not a de Polignac number, because 27591746701 - 2¹³ = 27591738509 is a prime.

It is a super-2 number, since 2×27591746701² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27591746761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13795873350 + 13795873351.

It is an arithmetic number, because the mean of its divisors is an integer number (13795873351).

Almost surely, 2^27591746701 is an apocalyptic number.

It is an amenable number.

27591746701 is a deficient number, since it is larger than the sum of its proper divisors (1).

27591746701 is an equidigital number, since it uses as much as digits as its factorization.

27591746701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 740880, while the sum is 49.

The spelling of 27591746701 in words is "twenty-seven billion, five hundred ninety-one million, seven hundred forty-six thousand, seven hundred one".