14166694419 has 4 divisors (see below), whose sum is σ = 18888925896. Its totient is φ = 9444462944.

The previous prime is 14166694369. The next prime is 14166694429. The reversal of 14166694419 is 91449666141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91449666141 = 3 ⋅30483222047.

It is a cyclic number.

It is not a de Polignac number, because 14166694419 - 2⁹ = 14166693907 is a prime.

It is a super-2 number, since 2×14166694419² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14166694429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2361115734 + ... + 2361115739.

It is an arithmetic number, because the mean of its divisors is an integer number (4722231474).

Almost surely, 2^14166694419 is an apocalyptic number.

14166694419 is a deficient number, since it is larger than the sum of its proper divisors (4722231477).

14166694419 is an equidigital number, since it uses as much as digits as its factorization.

14166694419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4722231476.

The product of its digits is 1119744, while the sum is 51.

The spelling of 14166694419 in words is "fourteen billion, one hundred sixty-six million, six hundred ninety-four thousand, four hundred nineteen".