4138345207318 has 16 divisors (see below), whose sum is σ = 7113024564480. Its totient is φ = 1768896893736.

The previous prime is 4138345207309. The next prime is 4138345207429. The reversal of 4138345207318 is 8137025438314.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389963146 + ... + 389973757.

It is an arithmetic number, because the mean of its divisors is an integer number (444564035280).

Almost surely, 2^{4138345207318} is an apocalyptic number.

4138345207318 is a deficient number, since it is larger than the sum of its proper divisors (2974679357162).

4138345207318 is a wasteful number, since it uses less digits than its factorization.

4138345207318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779937291.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 4138345207318 in words is "four trillion, one hundred thirty-eight billion, three hundred forty-five million, two hundred seven thousand, three hundred eighteen".