14378409466 has 4 divisors (see below), whose sum is σ = 21567614202. Its totient is φ = 7189204732.

The previous prime is 14378409407. The next prime is 14378409517. The reversal of 14378409466 is 66490487341.

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

It can be written as a sum of positive squares in only one way, i.e., 13033647225 + 1344762241 = 114165^2 + 36671^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3594602365 + ... + 3594602368.

Almost surely, 2^14378409466 is an apocalyptic number.

14378409466 is a deficient number, since it is larger than the sum of its proper divisors (7189204736).

14378409466 is an equidigital number, since it uses as much as digits as its factorization.

14378409466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7189204735.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 14378409466 in words is "fourteen billion, three hundred seventy-eight million, four hundred nine thousand, four hundred sixty-six".