14320621478 has 32 divisors (see below), whose sum is σ = 22102502400. Its totient is φ = 6955597440.

The previous prime is 14320621477. The next prime is 14320621529. The reversal of 14320621478 is 87412602341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14320621477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11092013 + ... + 11093303.

It is an arithmetic number, because the mean of its divisors is an integer number (690703200).

Almost surely, 2^14320621478 is an apocalyptic number.

14320621478 is a deficient number, since it is larger than the sum of its proper divisors (7781880922).

14320621478 is a wasteful number, since it uses less digits than its factorization.

14320621478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 14320621478 in words is "fourteen billion, three hundred twenty million, six hundred twenty-one thousand, four hundred seventy-eight".