14021321231009 has 2 divisors, whose sum is σ = 14021321231010. Its totient is φ = 14021321231008.

The previous prime is 14021321230997. The next prime is 14021321231077. The reversal of 14021321231009 is 90013212312041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12652355710225 + 1368965520784 = 3557015^2 + 1170028^2 .

It is a cyclic number.

It is not a de Polignac number, because 14021321231009 - 2⁴ = 14021321230993 is a prime.

It is not a weakly prime, because it can be changed into another prime (14021321231089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7010660615504 + 7010660615505.

It is an arithmetic number, because the mean of its divisors is an integer number (7010660615505).

Almost surely, 2^{14021321231009} is an apocalyptic number.

It is an amenable number.

14021321231009 is a deficient number, since it is larger than the sum of its proper divisors (1).

14021321231009 is an equidigital number, since it uses as much as digits as its factorization.

14021321231009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 14021321231009 in words is "fourteen trillion, twenty-one billion, three hundred twenty-one million, two hundred thirty-one thousand, nine".