32630448321 has 15 divisors (see below), whose sum is σ = 48746678673. Its totient is φ = 21752548380.

The previous prime is 32630448311. The next prime is 32630448341. The reversal of 32630448321 is 12384403623.

The square root of 32630448321 is 180639.

It is a perfect power (a square), and thus also a powerful number.

32630448321 is a `hidden beast` number, since 3 + 26 + 304 + 4 + 8 + 321 = 666.

It is not a de Polignac number, because 32630448321 - 2²⁹ = 32093577409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32630448311) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1615716 + ... + 1635786.

Almost surely, 2^32630448321 is an apocalyptic number.

32630448321 is the 180639-th square number.

32630448321 is the 90320-th centered octagonal number.

It is an amenable number.

32630448321 is a deficient number, since it is larger than the sum of its proper divisors (16116230352).

32630448321 is an frugal number, since it uses more digits than its factorization.

32630448321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40154 (or 20074 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Multiplying 32630448321 by its sum of digits (36), we get a square (1174696139556 = 1083834²).

The spelling of 32630448321 in words is "thirty-two billion, six hundred thirty million, four hundred forty-eight thousand, three hundred twenty-one".