14401021394 has 8 divisors (see below), whose sum is σ = 21618139788. Its totient is φ = 7194974800.

The previous prime is 14401021379. The next prime is 14401021399. The reversal of 14401021394 is 49312010441.

It can be written as a sum of positive squares in 2 ways, for example, as 14396880169 + 4141225 = 119987^2 + 2035^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (14401021399) 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, 2764697 + ... + 2769900.

Almost surely, 2^14401021394 is an apocalyptic number.

14401021394 is a deficient number, since it is larger than the sum of its proper divisors (7217118394).

14401021394 is a wasteful number, since it uses less digits than its factorization.

14401021394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5535900.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 14401021394 in words is "fourteen billion, four hundred one million, twenty-one thousand, three hundred ninety-four".