4130685869 has 4 divisors (see below), whose sum is σ = 4132489596. Its totient is φ = 4128882144.

The previous prime is 4130685859. The next prime is 4130685901. The reversal of 4130685869 is 9685860314.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2361474025 + 1769211844 = 48595^2 + 42062^2 .

It is a cyclic number.

It is not a de Polignac number, because 4130685869 - 2²⁰ = 4129637293 is a prime.

It is a super-2 number, since 2×4130685869² = 34125131496712570322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4130685859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898424 + ... + 903009.

It is an arithmetic number, because the mean of its divisors is an integer number (1033122399).

Almost surely, 2^4130685869 is an apocalyptic number.

It is an amenable number.

4130685869 is a deficient number, since it is larger than the sum of its proper divisors (1803727).

4130685869 is a wasteful number, since it uses less digits than its factorization.

4130685869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803726.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The square root of 4130685869 is about 64270.4120805212. The cubic root of 4130685869 is about 1604.5037002259.

The spelling of 4130685869 in words is "four billion, one hundred thirty million, six hundred eighty-five thousand, eight hundred sixty-nine".