14378321456 has 10 divisors (see below), whose sum is σ = 27857997852. Its totient is φ = 7189160720.

The previous prime is 14378321429. The next prime is 14378321501. The reversal of 14378321456 is 65412387341.

It is a happy number.

It is a super-2 number, since 2×14378321456² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449322530 + ... + 449322561.

Almost surely, 2^14378321456 is an apocalyptic number.

14378321456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

14378321456 is a deficient number, since it is larger than the sum of its proper divisors (13479676396).

14378321456 is an equidigital number, since it uses as much as digits as its factorization.

14378321456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898645099 (or 898645093 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The spelling of 14378321456 in words is "fourteen billion, three hundred seventy-eight million, three hundred twenty-one thousand, four hundred fifty-six".