14209122394 has 4 divisors (see below), whose sum is σ = 21313683594. Its totient is φ = 7104561196.

The previous prime is 14209122377. The next prime is 14209122409. The reversal of 14209122394 is 49322190241.

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., 14152195369 + 56927025 = 118963^2 + 7545^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3552280597 + ... + 3552280600.

Almost surely, 2^14209122394 is an apocalyptic number.

14209122394 is a deficient number, since it is larger than the sum of its proper divisors (7104561200).

14209122394 is an equidigital number, since it uses as much as digits as its factorization.

14209122394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7104561199.

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 14209122394 in words is "fourteen billion, two hundred nine million, one hundred twenty-two thousand, three hundred ninety-four".