27019385023513 has 2 divisors, whose sum is σ = 27019385023514. Its totient is φ = 27019385023512.

The previous prime is 27019385023483. The next prime is 27019385023559. The reversal of 27019385023513 is 31532058391072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18425968332304 + 8593416691209 = 4292548^2 + 2931453^2 .

It is a cyclic number.

It is not a de Polignac number, because 27019385023513 - 2⁵ = 27019385023481 is a prime.

It is a super-2 number, since 2×27019385023513² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27019385023573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13509692511756 + 13509692511757.

It is an arithmetic number, because the mean of its divisors is an integer number (13509692511757).

Almost surely, 2^{27019385023513} is an apocalyptic number.

It is an amenable number.

27019385023513 is a deficient number, since it is larger than the sum of its proper divisors (1).

27019385023513 is an equidigital number, since it uses as much as digits as its factorization.

27019385023513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 27019385023513 in words is "twenty-seven trillion, nineteen billion, three hundred eighty-five million, twenty-three thousand, five hundred thirteen".