14493191945 has 8 divisors (see below), whose sum is σ = 17394257544. Its totient is φ = 11592935424.

The previous prime is 14493191929. The next prime is 14493191959. The reversal of 14493191945 is 54919139441.

It can be written as a sum of positive squares in 4 ways, for example, as 229189321 + 14264002624 = 15139^2 + 119432^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14493191945 - 2⁴ = 14493191929 is a prime.

It is a super-2 number, since 2×14493191945² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14493191893 and 14493191902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162134 + ... + 235103.

It is an arithmetic number, because the mean of its divisors is an integer number (2174282193).

Almost surely, 2^14493191945 is an apocalyptic number.

It is an amenable number.

14493191945 is a deficient number, since it is larger than the sum of its proper divisors (2901065599).

14493191945 is an equidigital number, since it uses as much as digits as its factorization.

14493191945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404539.

The product of its digits is 699840, while the sum is 50.

The spelling of 14493191945 in words is "fourteen billion, four hundred ninety-three million, one hundred ninety-one thousand, nine hundred forty-five".