4428320787739 has 16 divisors (see below), whose sum is σ = 4574276156160. Its totient is φ = 4282560737280.

The previous prime is 4428320787733. The next prime is 4428320787743. The reversal of 4428320787739 is 9377870238244.

It is a cyclic number.

It is not a de Polignac number, because 4428320787739 - 2¹⁵ = 4428320754971 is a prime.

It is a super-2 number, since 2×4428320787739² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4428320787733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343567207 + ... + 343580095.

It is an arithmetic number, because the mean of its divisors is an integer number (285892259760).

Almost surely, 2^{4428320787739} is an apocalyptic number.

4428320787739 is a deficient number, since it is larger than the sum of its proper divisors (145955368421).

4428320787739 is a wasteful number, since it uses less digits than its factorization.

4428320787739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19590.

The product of its (nonzero) digits is 113799168, while the sum is 64.

The spelling of 4428320787739 in words is "four trillion, four hundred twenty-eight billion, three hundred twenty million, seven hundred eighty-seven thousand, seven hundred thirty-nine".