14919643 has 2 divisors, whose sum is σ = 14919644. Its totient is φ = 14919642.

The previous prime is 14919631. The next prime is 14919647. The reversal of 14919643 is 34691941.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14919643 is a prime.

It is not a weakly prime, because it can be changed into another prime (14919647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7459821 + 7459822.

It is an arithmetic number, because the mean of its divisors is an integer number (7459822).

Almost surely, 2^14919643 is an apocalyptic number.

14919643 is a deficient number, since it is larger than the sum of its proper divisors (1).

14919643 is an equidigital number, since it uses as much as digits as its factorization.

14919643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 14919643 is about 3862.5953709909. The cubic root of 14919643 is about 246.1800244369.

The spelling of 14919643 in words is "fourteen million, nine hundred nineteen thousand, six hundred forty-three".