14327155621 has 8 divisors (see below), whose sum is σ = 14886493920. Its totient is φ = 13772170608.

The previous prime is 14327155597. The next prime is 14327155627. The reversal of 14327155621 is 12655172341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14327155621 - 2¹⁵ = 14327122853 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 (14327155627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1081611 + ... + 1094776.

It is an arithmetic number, because the mean of its divisors is an integer number (1860811740).

Almost surely, 2^14327155621 is an apocalyptic number.

It is an amenable number.

14327155621 is a deficient number, since it is larger than the sum of its proper divisors (559338299).

14327155621 is a wasteful number, since it uses less digits than its factorization.

14327155621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176643.

The product of its digits is 50400, while the sum is 37.

The spelling of 14327155621 in words is "fourteen billion, three hundred twenty-seven million, one hundred fifty-five thousand, six hundred twenty-one".