27450005653 has 32 divisors (see below), whose sum is σ = 33132153600. Its totient is φ = 22716933120.

The previous prime is 27450005629. The next prime is 27450005699. The reversal of 27450005653 is 35650005472.

It is not a de Polignac number, because 27450005653 - 2²⁵ = 27416451221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27450003653) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1354050 + ... + 1374172.

It is an arithmetic number, because the mean of its divisors is an integer number (1035379800).

Almost surely, 2^27450005653 is an apocalyptic number.

It is an amenable number.

27450005653 is a deficient number, since it is larger than the sum of its proper divisors (5682147947).

27450005653 is an equidigital number, since it uses as much as digits as its factorization.

27450005653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20282 (or 20268 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 37.

The spelling of 27450005653 in words is "twenty-seven billion, four hundred fifty million, five thousand, six hundred fifty-three".