2438078394393 has 12 divisors (see below), whose sum is σ = 3523208685568. Its totient is φ = 1624674876120.

The previous prime is 2438078394391. The next prime is 2438078394449. The reversal of 2438078394393 is 3934938708342.

2438078394393 is a `hidden beast` number, since 2 + 4 + 3 + 80 + 7 + 83 + 94 + 393 = 666.

2438078394393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2438078394393 - 2¹ = 2438078394391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2438078394393.

It is not an unprimeable number, because it can be changed into a prime (2438078394391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59204953 + ... + 59246118.

Almost surely, 2^{2438078394393} is an apocalyptic number.

It is an amenable number.

2438078394393 is a deficient number, since it is larger than the sum of its proper divisors (1085130291175).

2438078394393 is a wasteful number, since it uses less digits than its factorization.

2438078394393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118453364 (or 118453361 counting only the distinct ones).

The product of its (nonzero) digits is 94058496, while the sum is 63.

The spelling of 2438078394393 in words is "two trillion, four hundred thirty-eight billion, seventy-eight million, three hundred ninety-four thousand, three hundred ninety-three".