14545021399 has 2 divisors, whose sum is σ = 14545021400. Its totient is φ = 14545021398.

The previous prime is 14545021397. The next prime is 14545021481. The reversal of 14545021399 is 99312054541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14545021399 - 2¹ = 14545021397 is a prime.

Together with 14545021397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14545021397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7272510699 + 7272510700.

It is an arithmetic number, because the mean of its divisors is an integer number (7272510700).

Almost surely, 2^14545021399 is an apocalyptic number.

14545021399 is a deficient number, since it is larger than the sum of its proper divisors (1).

14545021399 is an equidigital number, since it uses as much as digits as its factorization.

14545021399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 14545021399 in words is "fourteen billion, five hundred forty-five million, twenty-one thousand, three hundred ninety-nine".