4383978869 has 2 divisors, whose sum is σ = 4383978870. Its totient is φ = 4383978868.

The previous prime is 4383978857. The next prime is 4383978883. The reversal of 4383978869 is 9688793834.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2802325969 + 1581652900 = 52937^2 + 39770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4383978869 is a prime.

It is a super-2 number, since 2×4383978869² = 38438541447677038322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4383977869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2191989434 + 2191989435.

It is an arithmetic number, because the mean of its divisors is an integer number (2191989435).

Almost surely, 2^4383978869 is an apocalyptic number.

It is an amenable number.

4383978869 is a deficient number, since it is larger than the sum of its proper divisors (1).

4383978869 is an equidigital number, since it uses as much as digits as its factorization.

4383978869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62705664, while the sum is 65.

The square root of 4383978869 is about 66211.6218574957. The cubic root of 4383978869 is about 1636.6512658104.

The spelling of 4383978869 in words is "four billion, three hundred eighty-three million, nine hundred seventy-eight thousand, eight hundred sixty-nine".