14209974644338 has 12 divisors (see below), whose sum is σ = 23428842492510. Its totient is φ = 6459079383680.

The previous prime is 14209974644297. The next prime is 14209974644363. The reversal of 14209974644338 is 83344647990241.

It can be written as a sum of positive squares in only one way, i.e., 13762489907089 + 447484737249 = 3709783^2 + 668943^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 14209974644338.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29359451503 + ... + 29359451986.

Almost surely, 2^{14209974644338} is an apocalyptic number.

14209974644338 is a deficient number, since it is larger than the sum of its proper divisors (9218867848172).

14209974644338 is a wasteful number, since it uses less digits than its factorization.

14209974644338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58718903513 (or 58718903502 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 64.

The spelling of 14209974644338 in words is "fourteen trillion, two hundred nine billion, nine hundred seventy-four million, six hundred forty-four thousand, three hundred thirty-eight".