27090270046621 has 2 divisors, whose sum is σ = 27090270046622. Its totient is φ = 27090270046620.

The previous prime is 27090270046607. The next prime is 27090270046633. The reversal of 27090270046621 is 12664007209072.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14531999671396 + 12558270375225 = 3812086^2 + 3543765^2 .

It is a cyclic number.

It is not a de Polignac number, because 27090270046621 - 2³¹ = 27088122562973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27090270046601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13545135023310 + 13545135023311.

It is an arithmetic number, because the mean of its divisors is an integer number (13545135023311).

Almost surely, 2^{27090270046621} is an apocalyptic number.

It is an amenable number.

27090270046621 is a deficient number, since it is larger than the sum of its proper divisors (1).

27090270046621 is an equidigital number, since it uses as much as digits as its factorization.

27090270046621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 27090270046621 in words is "twenty-seven trillion, ninety billion, two hundred seventy million, forty-six thousand, six hundred twenty-one".