27514395889 has 2 divisors, whose sum is σ = 27514395890. Its totient is φ = 27514395888.

The previous prime is 27514395833. The next prime is 27514395893. The reversal of 27514395889 is 98859341572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19015031025 + 8499364864 = 137895^2 + 92192^2 .

It is a cyclic number.

It is not a de Polignac number, because 27514395889 - 2¹³ = 27514387697 is a prime.

It is a super-2 number, since 2×27514395889² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27514395899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13757197944 + 13757197945.

It is an arithmetic number, because the mean of its divisors is an integer number (13757197945).

Almost surely, 2^27514395889 is an apocalyptic number.

It is an amenable number.

27514395889 is a deficient number, since it is larger than the sum of its proper divisors (1).

27514395889 is an equidigital number, since it uses as much as digits as its factorization.

27514395889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21772800, while the sum is 61.

The spelling of 27514395889 in words is "twenty-seven billion, five hundred fourteen million, three hundred ninety-five thousand, eight hundred eighty-nine".