14205212789 has 2 divisors, whose sum is σ = 14205212790. Its totient is φ = 14205212788.

The previous prime is 14205212783. The next prime is 14205212899. The reversal of 14205212789 is 98721250241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7437682564 + 6767530225 = 86242^2 + 82265^2 .

It is a cyclic number.

It is not a de Polignac number, because 14205212789 - 2²⁸ = 13936777333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14205212783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7102606394 + 7102606395.

It is an arithmetic number, because the mean of its divisors is an integer number (7102606395).

Almost surely, 2^14205212789 is an apocalyptic number.

It is an amenable number.

14205212789 is a deficient number, since it is larger than the sum of its proper divisors (1).

14205212789 is an equidigital number, since it uses as much as digits as its factorization.

14205212789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 14205212789 in words is "fourteen billion, two hundred five million, two hundred twelve thousand, seven hundred eighty-nine".