27374184961 has 4 divisors (see below), whose sum is σ = 27374550192. Its totient is φ = 27373819732.

The previous prime is 27374184923. The next prime is 27374184967. The reversal of 27374184961 is 16948147372.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 27374184961 - 2¹³ = 27374176769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27374184899 and 27374184908.

It is not an unprimeable number, because it can be changed into a prime (27374184967) 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, 24631 + ... + 235276.

It is an arithmetic number, because the mean of its divisors is an integer number (6843637548).

Almost surely, 2^27374184961 is an apocalyptic number.

It is an amenable number.

27374184961 is a deficient number, since it is larger than the sum of its proper divisors (365231).

27374184961 is a wasteful number, since it uses less digits than its factorization.

27374184961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365230.

The product of its digits is 2032128, while the sum is 52.

The spelling of 27374184961 in words is "twenty-seven billion, three hundred seventy-four million, one hundred eighty-four thousand, nine hundred sixty-one".