27049831641 has 12 divisors (see below), whose sum is σ = 44653690432. Its totient is φ = 15457046616.

The previous prime is 27049831609. The next prime is 27049831649. The reversal of 27049831641 is 14613894072.

27049831641 is a `hidden beast` number, since 2 + 70 + 498 + 31 + 64 + 1 = 666.

It is not a de Polignac number, because 27049831641 - 2⁵ = 27049831609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27049831649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214681141 + ... + 214681266.

Almost surely, 2^27049831641 is an apocalyptic number.

27049831641 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

27049831641 is a deficient number, since it is larger than the sum of its proper divisors (17603858791).

27049831641 is a wasteful number, since it uses less digits than its factorization.

27049831641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429362420 (or 429362417 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 27049831641 in words is "twenty-seven billion, forty-nine million, eight hundred thirty-one thousand, six hundred forty-one".