4393790322769 has 9 divisors (see below), whose sum is σ = 4637255642793. Its totient is φ = 4162500470052.

The previous prime is 4393790322739. The next prime is 4393790322773. The reversal of 4393790322769 is 9672230973934.

The square root of 4393790322769 is 2096137.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 4393790322769 - 2⁵ = 4393790322737 is a prime.

It is a super-2 number, since 2×4393790322769² (a number of 26 digits) contains 22 as substring.

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 4393790322769.

It is not an unprimeable number, because it can be changed into a prime (4393790322739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 39771442 + ... + 39881764.

It is an arithmetic number, because the mean of its divisors is an integer number (515250626977).

Almost surely, 2^{4393790322769} is an apocalyptic number.

4393790322769 is the 2096137-th square number.

4393790322769 is the 1048069-th centered octagonal number.

It is an amenable number.

4393790322769 is a deficient number, since it is larger than the sum of its proper divisors (243465320024).

4393790322769 is an frugal number, since it uses more digits than its factorization.

4393790322769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220684 (or 110342 counting only the distinct ones).

The product of its (nonzero) digits is 92588832, while the sum is 64.

Multiplying 4393790322769 by its sum of digits (64), we get a square (281202580657216 = 16769096²).

The spelling of 4393790322769 in words is "four trillion, three hundred ninety-three billion, seven hundred ninety million, three hundred twenty-two thousand, seven hundred sixty-nine".