14450991619 has 8 divisors (see below), whose sum is σ = 14519514240. Its totient is φ = 14382502656.

The previous prime is 14450991613. The next prime is 14450991637. The reversal of 14450991619 is 91619905441.

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 14450991619 - 2⁵ = 14450991587 is a prime.

It is a super-2 number, since 2×14450991619² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14450991613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1392819 + ... + 1403155.

It is an arithmetic number, because the mean of its divisors is an integer number (1814939280).

Almost surely, 2^14450991619 is an apocalyptic number.

14450991619 is a deficient number, since it is larger than the sum of its proper divisors (68522621).

14450991619 is a wasteful number, since it uses less digits than its factorization.

14450991619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16829.

The product of its (nonzero) digits is 349920, while the sum is 49.

The spelling of 14450991619 in words is "fourteen billion, four hundred fifty million, nine hundred ninety-one thousand, six hundred nineteen".