14215050391 has 2 divisors, whose sum is σ = 14215050392. Its totient is φ = 14215050390.

The previous prime is 14215050389. The next prime is 14215050397. The reversal of 14215050391 is 19305051241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14215050391 - 2¹ = 14215050389 is a prime.

Together with 14215050389, 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 (14215050397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7107525195 + 7107525196.

It is an arithmetic number, because the mean of its divisors is an integer number (7107525196).

Almost surely, 2^14215050391 is an apocalyptic number.

14215050391 is a deficient number, since it is larger than the sum of its proper divisors (1).

14215050391 is an equidigital number, since it uses as much as digits as its factorization.

14215050391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 14215050391 in words is "fourteen billion, two hundred fifteen million, fifty thousand, three hundred ninety-one".