14442587321 has 2 divisors, whose sum is σ = 14442587322. Its totient is φ = 14442587320.

The previous prime is 14442587311. The next prime is 14442587359. The reversal of 14442587321 is 12378524441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14379607225 + 62980096 = 119915^2 + 7936^2 .

It is a cyclic number.

It is not a de Polignac number, because 14442587321 - 2²⁶ = 14375478457 is a prime.

It is not a weakly prime, because it can be changed into another prime (14442587311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7221293660 + 7221293661.

It is an arithmetic number, because the mean of its divisors is an integer number (7221293661).

Almost surely, 2^14442587321 is an apocalyptic number.

It is an amenable number.

14442587321 is a deficient number, since it is larger than the sum of its proper divisors (1).

14442587321 is an equidigital number, since it uses as much as digits as its factorization.

14442587321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 215040, while the sum is 41.

The spelling of 14442587321 in words is "fourteen billion, four hundred forty-two million, five hundred eighty-seven thousand, three hundred twenty-one".