27073414661 has 4 divisors (see below), whose sum is σ = 27075019872. Its totient is φ = 27071809452.

The previous prime is 27073414657. The next prime is 27073414673. The reversal of 27073414661 is 16641437072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27073414661 - 2² = 27073414657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27073414561) 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, 777035 + ... + 811128.

It is an arithmetic number, because the mean of its divisors is an integer number (6768754968).

Almost surely, 2^27073414661 is an apocalyptic number.

It is an amenable number.

27073414661 is a deficient number, since it is larger than the sum of its proper divisors (1605211).

27073414661 is a wasteful number, since it uses less digits than its factorization.

27073414661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605210.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 27073414661 in words is "twenty-seven billion, seventy-three million, four hundred fourteen thousand, six hundred sixty-one".