27925375213 has 2 divisors, whose sum is σ = 27925375214. Its totient is φ = 27925375212.

The previous prime is 27925375207. The next prime is 27925375243. The reversal of 27925375213 is 31257352972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22727974564 + 5197400649 = 150758^2 + 72093^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27925375213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27925375243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13962687606 + 13962687607.

It is an arithmetic number, because the mean of its divisors is an integer number (13962687607).

Almost surely, 2^27925375213 is an apocalyptic number.

It is an amenable number.

27925375213 is a deficient number, since it is larger than the sum of its proper divisors (1).

27925375213 is an equidigital number, since it uses as much as digits as its factorization.

27925375213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 793800, while the sum is 46.

The spelling of 27925375213 in words is "twenty-seven billion, nine hundred twenty-five million, three hundred seventy-five thousand, two hundred thirteen".