27423650309 has 4 divisors (see below), whose sum is σ = 29916709440. Its totient is φ = 24930591180.

The previous prime is 27423650299. The next prime is 27423650333. The reversal of 27423650309 is 90305632472.

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 not a de Polignac number, because 27423650309 - 2²⁰ = 27422601733 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 (27423650609) 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, 1246529549 + ... + 1246529570.

It is an arithmetic number, because the mean of its divisors is an integer number (7479177360).

Almost surely, 2^27423650309 is an apocalyptic number.

It is an amenable number.

27423650309 is a deficient number, since it is larger than the sum of its proper divisors (2493059131).

27423650309 is a wasteful number, since it uses less digits than its factorization.

27423650309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493059130.

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 27423650309 in words is "twenty-seven billion, four hundred twenty-three million, six hundred fifty thousand, three hundred nine".