4380843649779 has 12 divisors (see below), whose sum is σ = 6462521129376. Its totient is φ = 2858422806672.

The previous prime is 4380843649747. The next prime is 4380843649817. The reversal of 4380843649779 is 9779463480834.

It is a happy number.

4380843649779 is a `hidden beast` number, since 4 + 3 + 80 + 8 + 436 + 49 + 7 + 79 = 666.

It is not a de Polignac number, because 4380843649779 - 2⁵ = 4380843649747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4380843649729) 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, 5178301764 + ... + 5178302609.

It is an arithmetic number, because the mean of its divisors is an integer number (538543427448).

Almost surely, 2^{4380843649779} is an apocalyptic number.

4380843649779 is a deficient number, since it is larger than the sum of its proper divisors (2081677479597).

4380843649779 is a wasteful number, since it uses less digits than its factorization.

4380843649779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10356604426 (or 10356604423 counting only the distinct ones).

The product of its (nonzero) digits is 877879296, while the sum is 72.

The spelling of 4380843649779 in words is "four trillion, three hundred eighty billion, eight hundred forty-three million, six hundred forty-nine thousand, seven hundred seventy-nine".