27650015812513 has 2 divisors, whose sum is σ = 27650015812514. Its totient is φ = 27650015812512.

The previous prime is 27650015812469. The next prime is 27650015812553. The reversal of 27650015812513 is 31521851005672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26966958192784 + 683057619729 = 5192972^2 + 826473^2 .

It is a cyclic number.

It is not a de Polignac number, because 27650015812513 - 2¹³ = 27650015804321 is a prime.

It is not a weakly prime, because it can be changed into another prime (27650015812553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13825007906256 + 13825007906257.

It is an arithmetic number, because the mean of its divisors is an integer number (13825007906257).

Almost surely, 2^{27650015812513} is an apocalyptic number.

It is an amenable number.

27650015812513 is a deficient number, since it is larger than the sum of its proper divisors (1).

27650015812513 is an equidigital number, since it uses as much as digits as its factorization.

27650015812513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504000, while the sum is 46.

The spelling of 27650015812513 in words is "twenty-seven trillion, six hundred fifty billion, fifteen million, eight hundred twelve thousand, five hundred thirteen".