32972944321 has 4 divisors (see below), whose sum is σ = 33036232644. Its totient is φ = 32909656000.

The previous prime is 32972944313. The next prime is 32972944327. The reversal of 32972944321 is 12344927923.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25047493696 + 7925450625 = 158264^2 + 89025^2 .

It is a cyclic number.

It is not a de Polignac number, because 32972944321 - 2³ = 32972944313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32972944327) 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, 31643380 + ... + 31644421.

It is an arithmetic number, because the mean of its divisors is an integer number (8259058161).

Almost surely, 2^32972944321 is an apocalyptic number.

It is an amenable number.

32972944321 is a deficient number, since it is larger than the sum of its proper divisors (63288323).

32972944321 is an equidigital number, since it uses as much as digits as its factorization.

32972944321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63288322.

The product of its digits is 653184, while the sum is 46.

The spelling of 32972944321 in words is "thirty-two billion, nine hundred seventy-two million, nine hundred forty-four thousand, three hundred twenty-one".