3995789069 has 2 divisors, whose sum is σ = 3995789070. Its totient is φ = 3995789068.

The previous prime is 3995789059. The next prime is 3995789093. The reversal of 3995789069 is 9609875993.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2134902025 + 1860887044 = 46205^2 + 43138^2 .

It is a cyclic number.

It is not a de Polignac number, because 3995789069 - 2¹² = 3995784973 is a prime.

It is a super-2 number, since 2×3995789069² = 31932660567879773522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3995788996 and 3995789014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3995789059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1997894534 + 1997894535.

It is an arithmetic number, because the mean of its divisors is an integer number (1997894535).

Almost surely, 2^3995789069 is an apocalyptic number.

It is an amenable number.

3995789069 is a deficient number, since it is larger than the sum of its proper divisors (1).

3995789069 is an equidigital number, since it uses as much as digits as its factorization.

3995789069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33067440, while the sum is 65.

The square root of 3995789069 is about 63212.2541047224. The cubic root of 3995789069 is about 1586.8438200254.

The spelling of 3995789069 in words is "three billion, nine hundred ninety-five million, seven hundred eighty-nine thousand, sixty-nine".