3206060028921 has 4 divisors (see below), whose sum is σ = 4274746705232. Its totient is φ = 2137373352612.

The previous prime is 3206060028893. The next prime is 3206060028971. The reversal of 3206060028921 is 1298200606023.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3206060028921 - 2⁵ = 3206060028889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3206060028921.

It is not an unprimeable number, because it can be changed into a prime (3206060028971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534343338151 + ... + 534343338156.

It is an arithmetic number, because the mean of its divisors is an integer number (1068686676308).

Almost surely, 2^{3206060028921} is an apocalyptic number.

It is an amenable number.

3206060028921 is a deficient number, since it is larger than the sum of its proper divisors (1068686676311).

3206060028921 is a wasteful number, since it uses less digits than its factorization.

3206060028921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068686676310.

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 3206060028921 in words is "three trillion, two hundred six billion, sixty million, twenty-eight thousand, nine hundred twenty-one".