27921032229 has 16 divisors (see below), whose sum is σ = 40099774464. Its totient is φ = 17230369200.

The previous prime is 27921032213. The next prime is 27921032261. The reversal of 27921032229 is 92223012972.

It is not a de Polignac number, because 27921032229 - 2⁴ = 27921032213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27921032429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6524517 + ... + 6528794.

It is an arithmetic number, because the mean of its divisors is an integer number (2506235904).

Almost surely, 2^27921032229 is an apocalyptic number.

It is an amenable number.

27921032229 is a deficient number, since it is larger than the sum of its proper divisors (12178742235).

27921032229 is a wasteful number, since it uses less digits than its factorization.

27921032229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13053368.

The product of its (nonzero) digits is 54432, while the sum is 39.

The spelling of 27921032229 in words is "twenty-seven billion, nine hundred twenty-one million, thirty-two thousand, two hundred twenty-nine".