27492912901 has 2 divisors, whose sum is σ = 27492912902. Its totient is φ = 27492912900.

The previous prime is 27492912869. The next prime is 27492912917. The reversal of 27492912901 is 10921929472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24071832801 + 3421080100 = 155151^2 + 58490^2 .

It is a cyclic number.

It is not a de Polignac number, because 27492912901 - 2⁵ = 27492912869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27492913901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13746456450 + 13746456451.

It is an arithmetic number, because the mean of its divisors is an integer number (13746456451).

Almost surely, 2^27492912901 is an apocalyptic number.

It is an amenable number.

27492912901 is a deficient number, since it is larger than the sum of its proper divisors (1).

27492912901 is an equidigital number, since it uses as much as digits as its factorization.

27492912901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 27492912901 in words is "twenty-seven billion, four hundred ninety-two million, nine hundred twelve thousand, nine hundred one".