3429223925221 has 4 divisors (see below), whose sum is σ = 3429236329344. Its totient is φ = 3429211521100.

The previous prime is 3429223925203. The next prime is 3429223925263. The reversal of 3429223925221 is 1225293229243.

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 a cyclic number.

It is not a de Polignac number, because 3429223925221 - 2²¹ = 3429221828069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3429223923221) 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, 5777695 + ... + 6343516.

It is an arithmetic number, because the mean of its divisors is an integer number (857309082336).

Almost surely, 2^{3429223925221} is an apocalyptic number.

It is an amenable number.

3429223925221 is a deficient number, since it is larger than the sum of its proper divisors (12404123).

3429223925221 is a wasteful number, since it uses less digits than its factorization.

3429223925221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12404122.

The product of its digits is 933120, while the sum is 46.

The spelling of 3429223925221 in words is "three trillion, four hundred twenty-nine billion, two hundred twenty-three million, nine hundred twenty-five thousand, two hundred twenty-one".