27005286984481 has 16 divisors (see below), whose sum is σ = 29932413694848. Its totient is φ = 24210040377600.

The previous prime is 27005286984457. The next prime is 27005286984581. The reversal of 27005286984481 is 18448968250072.

It is a cyclic number.

It is not a de Polignac number, because 27005286984481 - 2²³ = 27005278595873 is a prime.

It is a super-2 number, since 2×27005286984481² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27005286984581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218282680 + ... + 218406361.

It is an arithmetic number, because the mean of its divisors is an integer number (1870775855928).

Almost surely, 2^{27005286984481} is an apocalyptic number.

It is an amenable number.

27005286984481 is a deficient number, since it is larger than the sum of its proper divisors (2927126710367).

27005286984481 is a wasteful number, since it uses less digits than its factorization.

27005286984481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436689192.

The product of its (nonzero) digits is 61931520, while the sum is 64.

The spelling of 27005286984481 in words is "twenty-seven trillion, five billion, two hundred eighty-six million, nine hundred eighty-four thousand, four hundred eighty-one".