3935874869 has 2 divisors, whose sum is σ = 3935874870. Its totient is φ = 3935874868.

The previous prime is 3935874829. The next prime is 3935874883. The reversal of 3935874869 is 9684785393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3814544644 + 121330225 = 61762^2 + 11015^2 .

It is a cyclic number.

It is not a de Polignac number, because 3935874869 - 2²⁴ = 3919097653 is a prime.

It is a super-2 number, since 2×3935874869² = 30982221968851534322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3935874829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1967937434 + 1967937435.

It is an arithmetic number, because the mean of its divisors is an integer number (1967937435).

Almost surely, 2^3935874869 is an apocalyptic number.

It is an amenable number.

3935874869 is a deficient number, since it is larger than the sum of its proper divisors (1).

3935874869 is an equidigital number, since it uses as much as digits as its factorization.

3935874869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39191040, while the sum is 62.

The square root of 3935874869 is about 62736.5512998603. The cubic root of 3935874869 is about 1578.8726227087.

The spelling of 3935874869 in words is "three billion, nine hundred thirty-five million, eight hundred seventy-four thousand, eight hundred sixty-nine".