14457377819 has 4 divisors (see below), whose sum is σ = 14467370544. Its totient is φ = 14447385096.

The previous prime is 14457377807. The next prime is 14457377839. The reversal of 14457377819 is 91877375441.

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 14457377819 - 2⁸ = 14457377563 is a prime.

It is a super-2 number, since 2×14457377819² (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 (14457377839) 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, 4994192 + ... + 4997085.

It is an arithmetic number, because the mean of its divisors is an integer number (3616842636).

Almost surely, 2^14457377819 is an apocalyptic number.

14457377819 is a deficient number, since it is larger than the sum of its proper divisors (9992725).

14457377819 is an equidigital number, since it uses as much as digits as its factorization.

14457377819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9992724.

The product of its digits is 5927040, while the sum is 56.

The spelling of 14457377819 in words is "fourteen billion, four hundred fifty-seven million, three hundred seventy-seven thousand, eight hundred nineteen".