3214341961621 has 4 divisors (see below), whose sum is σ = 3673533670432. Its totient is φ = 2755150252812.

The previous prime is 3214341961619. The next prime is 3214341961639. The reversal of 3214341961621 is 1261691434123.

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 3214341961621 - 2¹ = 3214341961619 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 (3214341461621) 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, 229595854395 + ... + 229595854408.

It is an arithmetic number, because the mean of its divisors is an integer number (918383417608).

Almost surely, 2^{3214341961621} is an apocalyptic number.

It is an amenable number.

3214341961621 is a deficient number, since it is larger than the sum of its proper divisors (459191708811).

3214341961621 is an equidigital number, since it uses as much as digits as its factorization.

3214341961621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459191708810.

The product of its digits is 186624, while the sum is 43.

The spelling of 3214341961621 in words is "three trillion, two hundred fourteen billion, three hundred forty-one million, nine hundred sixty-one thousand, six hundred twenty-one".