27425762893 has 2 divisors, whose sum is σ = 27425762894. Its totient is φ = 27425762892.

The previous prime is 27425762891. The next prime is 27425762977. The reversal of 27425762893 is 39826752472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24925462884 + 2500300009 = 157878^2 + 50003^2 .

It is a cyclic number.

It is not a de Polignac number, because 27425762893 - 2¹ = 27425762891 is a prime.

Together with 27425762891, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27425762891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13712881446 + 13712881447.

It is an arithmetic number, because the mean of its divisors is an integer number (13712881447).

Almost surely, 2^27425762893 is an apocalyptic number.

It is an amenable number.

27425762893 is a deficient number, since it is larger than the sum of its proper divisors (1).

27425762893 is an equidigital number, since it uses as much as digits as its factorization.

27425762893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 55.

The spelling of 27425762893 in words is "twenty-seven billion, four hundred twenty-five million, seven hundred sixty-two thousand, eight hundred ninety-three".