27310125919 has 2 divisors, whose sum is σ = 27310125920. Its totient is φ = 27310125918.

The previous prime is 27310125889. The next prime is 27310125959. The reversal of 27310125919 is 91952101372.

It is an a-pointer prime, because the next prime (27310125959) can be obtained adding 27310125919 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27310125919 is a prime.

It is a super-2 number, since 2×27310125919² (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 (27310125959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13655062959 + 13655062960.

It is an arithmetic number, because the mean of its divisors is an integer number (13655062960).

Almost surely, 2^27310125919 is an apocalyptic number.

27310125919 is a deficient number, since it is larger than the sum of its proper divisors (1).

27310125919 is an equidigital number, since it uses as much as digits as its factorization.

27310125919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 40.

The spelling of 27310125919 in words is "twenty-seven billion, three hundred ten million, one hundred twenty-five thousand, nine hundred nineteen".