27539161954 has 16 divisors (see below), whose sum is σ = 41991644160. Its totient is φ = 13543567840.

The previous prime is 27539161943. The next prime is 27539161967. The reversal of 27539161954 is 45916193572.

It is a super-2 number, since 2×27539161954² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 371014 + ... + 439009.

It is an arithmetic number, because the mean of its divisors is an integer number (2624477760).

Almost surely, 2^27539161954 is an apocalyptic number.

27539161954 is a deficient number, since it is larger than the sum of its proper divisors (14452482206).

27539161954 is a wasteful number, since it uses less digits than its factorization.

27539161954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810305.

The product of its digits is 2041200, while the sum is 52.

The spelling of 27539161954 in words is "twenty-seven billion, five hundred thirty-nine million, one hundred sixty-one thousand, nine hundred fifty-four".