27124363989 has 24 divisors (see below), whose sum is σ = 39423345312. Its totient is φ = 17970780960.

The previous prime is 27124363967. The next prime is 27124363993. The reversal of 27124363989 is 98936342172.

27124363989 is a `hidden beast` number, since 2 + 7 + 1 + 243 + 6 + 398 + 9 = 666.

It is not a de Polignac number, because 27124363989 - 2¹² = 27124359893 is a prime.

It is a super-2 number, since 2×27124363989² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27124363949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 929982 + ... + 958704.

It is an arithmetic number, because the mean of its divisors is an integer number (1642639388).

Almost surely, 2^27124363989 is an apocalyptic number.

It is an amenable number.

27124363989 is a deficient number, since it is larger than the sum of its proper divisors (12298981323).

27124363989 is a wasteful number, since it uses less digits than its factorization.

27124363989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29377 (or 29374 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The spelling of 27124363989 in words is "twenty-seven billion, one hundred twenty-four million, three hundred sixty-three thousand, nine hundred eighty-nine".