14812393919 has 4 divisors (see below), whose sum is σ = 14815804200. Its totient is φ = 14808983640.

The previous prime is 14812393877. The next prime is 14812393963. The reversal of 14812393919 is 91939321841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14812393919 - 2²⁸ = 14543958463 is a prime.

It is a super-2 number, since 2×14812393919² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14812393979) 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, 1698617 + ... + 1707314.

It is an arithmetic number, because the mean of its divisors is an integer number (3703951050).

Almost surely, 2^14812393919 is an apocalyptic number.

14812393919 is a deficient number, since it is larger than the sum of its proper divisors (3410281).

14812393919 is an equidigital number, since it uses as much as digits as its factorization.

14812393919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410280.

The product of its digits is 419904, while the sum is 50.

The spelling of 14812393919 in words is "fourteen billion, eight hundred twelve million, three hundred ninety-three thousand, nine hundred nineteen".