27229609894491 has 12 divisors (see below), whose sum is σ = 39331705853440. Its totient is φ = 18153051516720.

The previous prime is 27229609894477. The next prime is 27229609894493. The reversal of 27229609894491 is 19449890692272.

27229609894491 is a `hidden beast` number, since 2 + 7 + 2 + 2 + 9 + 609 + 8 + 9 + 4 + 4 + 9 + 1 = 666.

It is not a de Polignac number, because 27229609894491 - 2¹⁵ = 27229609861723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27229609894493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10573350 + ... + 12893988.

Almost surely, 2^{27229609894491} is an apocalyptic number.

27229609894491 is a deficient number, since it is larger than the sum of its proper divisors (12102095958949).

27229609894491 is a wasteful number, since it uses less digits than its factorization.

27229609894491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3624386 (or 3624383 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 72.

The spelling of 27229609894491 in words is "twenty-seven trillion, two hundred twenty-nine billion, six hundred nine million, eight hundred ninety-four thousand, four hundred ninety-one".