4389936047378 has 64 divisors (see below), whose sum is σ = 8187869214720. Its totient is φ = 1724758963200.

The previous prime is 4389936047327. The next prime is 4389936047411. The reversal of 4389936047378 is 8737406399834.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2623463 + ... + 3957578.

It is an arithmetic number, because the mean of its divisors is an integer number (127935456480).

Almost surely, 2^{4389936047378} is an apocalyptic number.

4389936047378 is a deficient number, since it is larger than the sum of its proper divisors (3797933167342).

4389936047378 is a wasteful number, since it uses less digits than its factorization.

4389936047378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6581163.

The product of its (nonzero) digits is 658409472, while the sum is 71.

The spelling of 4389936047378 in words is "four trillion, three hundred eighty-nine billion, nine hundred thirty-six million, forty-seven thousand, three hundred seventy-eight".