14377602221 has 4 divisors (see below), whose sum is σ = 14397217692. Its totient is φ = 14357986752.

The previous prime is 14377602179. The next prime is 14377602241. The reversal of 14377602221 is 12220677341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11878602121 + 2499000100 = 108989^2 + 49990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14377602221 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 (14377602241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9806636 + ... + 9808101.

It is an arithmetic number, because the mean of its divisors is an integer number (3599304423).

Almost surely, 2^14377602221 is an apocalyptic number.

It is an amenable number.

14377602221 is a deficient number, since it is larger than the sum of its proper divisors (19615471).

14377602221 is an equidigital number, since it uses as much as digits as its factorization.

14377602221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19615470.

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 14377602221 in words is "fourteen billion, three hundred seventy-seven million, six hundred two thousand, two hundred twenty-one".