32466316021 has 4 divisors (see below), whose sum is σ = 32478446572. Its totient is φ = 32454185472.

The previous prime is 32466316013. The next prime is 32466316067. The reversal of 32466316021 is 12061366423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12061366423 = 29 ⋅415909187.

It can be written as a sum of positive squares in 2 ways, for example, as 161645796 + 32304670225 = 12714^2 + 179735^2 .

It is a cyclic number.

It is not a de Polignac number, because 32466316021 - 2³ = 32466316013 is a prime.

It is a super-4 number, since 4×32466316021⁴ (a number of 43 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32466316081) 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, 6061260 + ... + 6066613.

It is an arithmetic number, because the mean of its divisors is an integer number (8119611643).

Almost surely, 2^32466316021 is an apocalyptic number.

It is an amenable number.

32466316021 is a deficient number, since it is larger than the sum of its proper divisors (12130551).

32466316021 is a wasteful number, since it uses less digits than its factorization.

32466316021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12130550.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 32466316021 in words is "thirty-two billion, four hundred sixty-six million, three hundred sixteen thousand, twenty-one".