27694009221 has 8 divisors (see below), whose sum is σ = 36926150400. Its totient is φ = 18462270432.

The previous prime is 27694009201. The next prime is 27694009229. The reversal of 27694009221 is 12290049672.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27694009221 - 2¹⁰ = 27694008197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27694009229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147180 + ... + 277578.

It is an arithmetic number, because the mean of its divisors is an integer number (4615768800).

Almost surely, 2^27694009221 is an apocalyptic number.

It is an amenable number.

27694009221 is a deficient number, since it is larger than the sum of its proper divisors (9232141179).

27694009221 is a wasteful number, since it uses less digits than its factorization.

27694009221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201195.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 27694009221 in words is "twenty-seven billion, six hundred ninety-four million, nine thousand, two hundred twenty-one".