14391919 has 2 divisors, whose sum is σ = 14391920. Its totient is φ = 14391918.

The previous prime is 14391907. The next prime is 14391941. The reversal of 14391919 is 91919341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14391919 - 2⁵ = 14391887 is a prime.

It is a super-2 number, since 2×14391919² = 414254665005122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14391989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7195959 + 7195960.

It is an arithmetic number, because the mean of its divisors is an integer number (7195960).

Almost surely, 2^14391919 is an apocalyptic number.

14391919 is a deficient number, since it is larger than the sum of its proper divisors (1).

14391919 is an equidigital number, since it uses as much as digits as its factorization.

14391919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 37.

The square root of 14391919 is about 3793.6682775382. The cubic root of 14391919 is about 243.2425617940.

The spelling of 14391919 in words is "fourteen million, three hundred ninety-one thousand, nine hundred nineteen".