27266122413 has 12 divisors (see below), whose sum is σ = 39436162428. Its totient is φ = 18153524160.

The previous prime is 27266122391. The next prime is 27266122421. The reversal of 27266122413 is 31422166272.

27266122413 is a `hidden beast` number, since 2 + 7 + 2 + 6 + 612 + 24 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6323112324 + 20943010089 = 79518^2 + 144717^2 .

It is not a de Polignac number, because 27266122413 - 2⁵ = 27266122381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27266122423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1983670 + ... + 1997367.

It is an arithmetic number, because the mean of its divisors is an integer number (3286346869).

Almost surely, 2^27266122413 is an apocalyptic number.

It is an amenable number.

27266122413 is a deficient number, since it is larger than the sum of its proper divisors (12170040015).

27266122413 is a wasteful number, since it uses less digits than its factorization.

27266122413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3981804 (or 3981801 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

Adding to 27266122413 its reverse (31422166272), we get a palindrome (58688288685).

The spelling of 27266122413 in words is "twenty-seven billion, two hundred sixty-six million, one hundred twenty-two thousand, four hundred thirteen".