4372341621 has 4 divisors (see below), whose sum is σ = 5829788832. Its totient is φ = 2914894412.

The previous prime is 4372341613. The next prime is 4372341637. The reversal of 4372341621 is 1261432734.

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 4372341621 - 2³ = 4372341613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4372341641) 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, 728723601 + ... + 728723606.

It is an arithmetic number, because the mean of its divisors is an integer number (1457447208).

Almost surely, 2^4372341621 is an apocalyptic number.

It is an amenable number.

4372341621 is a deficient number, since it is larger than the sum of its proper divisors (1457447211).

4372341621 is a wasteful number, since it uses less digits than its factorization.

4372341621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457447210.

The product of its digits is 24192, while the sum is 33.

The square root of 4372341621 is about 66123.6842666831. The cubic root of 4372341621 is about 1635.2018219193.

The spelling of 4372341621 in words is "four billion, three hundred seventy-two million, three hundred forty-one thousand, six hundred twenty-one".