27490321757613 has 32 divisors (see below), whose sum is σ = 43116479626752. Its totient is φ = 15359659243200.

The previous prime is 27490321757581. The next prime is 27490321757629. The reversal of 27490321757613 is 31675712309472.

It is not a de Polignac number, because 27490321757613 - 2⁵ = 27490321757581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27490321757693) 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 in 31 ways as a sum of consecutive naturals, for example, 40373943 + ... + 41049188.

It is an arithmetic number, because the mean of its divisors is an integer number (1347389988336).

Almost surely, 2^{27490321757613} is an apocalyptic number.

It is an amenable number.

27490321757613 is a deficient number, since it is larger than the sum of its proper divisors (15626157869139).

27490321757613 is a wasteful number, since it uses less digits than its factorization.

27490321757613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81423945.

The product of its (nonzero) digits is 13335840, while the sum is 57.

The spelling of 27490321757613 in words is "twenty-seven trillion, four hundred ninety billion, three hundred twenty-one million, seven hundred fifty-seven thousand, six hundred thirteen".