27153413644 has 12 divisors (see below), whose sum is σ = 54306827344. Its totient is φ = 11637177264.

The previous prime is 27153413641. The next prime is 27153413713. The reversal of 27153413644 is 44631435172.

27153413644 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 27153413597 and 27153413606.

It is not an unprimeable number, because it can be changed into a prime (27153413641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 484882359 + ... + 484882414.

Almost surely, 2^27153413644 is an apocalyptic number.

It is an amenable number.

27153413644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27153413644 is a wasteful number, since it uses less digits than its factorization.

27153413644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969764784 (or 969764782 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The spelling of 27153413644 in words is "twenty-seven billion, one hundred fifty-three million, four hundred thirteen thousand, six hundred forty-four".