4518316997439 has 8 divisors (see below), whose sum is σ = 6885054472320. Its totient is φ = 2581895427096.

The previous prime is 4518316997437. The next prime is 4518316997443. The reversal of 4518316997439 is 9347996138154.

It is a happy number.

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

It is not a de Polignac number, because 4518316997439 - 2¹ = 4518316997437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4518316997437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107578976109 + ... + 107578976150.

It is an arithmetic number, because the mean of its divisors is an integer number (860631809040).

Almost surely, 2^{4518316997439} is an apocalyptic number.

4518316997439 is a deficient number, since it is larger than the sum of its proper divisors (2366737474881).

4518316997439 is a wasteful number, since it uses less digits than its factorization.

4518316997439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215157952269.

The product of its digits is 176359680, while the sum is 69.

The spelling of 4518316997439 in words is "four trillion, five hundred eighteen billion, three hundred sixteen million, nine hundred ninety-seven thousand, four hundred thirty-nine".