14921420329 has 2 divisors, whose sum is σ = 14921420330. Its totient is φ = 14921420328.

The previous prime is 14921420299. The next prime is 14921420341. The reversal of 14921420329 is 92302412941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10743737104 + 4177683225 = 103652^2 + 64635^2 .

It is a cyclic number.

It is not a de Polignac number, because 14921420329 - 2⁹ = 14921419817 is a prime.

It is not a weakly prime, because it can be changed into another prime (14921420359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7460710164 + 7460710165.

It is an arithmetic number, because the mean of its divisors is an integer number (7460710165).

Almost surely, 2^14921420329 is an apocalyptic number.

It is an amenable number.

14921420329 is a deficient number, since it is larger than the sum of its proper divisors (1).

14921420329 is an equidigital number, since it uses as much as digits as its factorization.

14921420329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 14921420329 in words is "fourteen billion, nine hundred twenty-one million, four hundred twenty thousand, three hundred twenty-nine".