8141435669 has 4 divisors (see below), whose sum is σ = 8422174860. Its totient is φ = 7860696480.

The previous prime is 8141435657. The next prime is 8141435681. The reversal of 8141435669 is 9665341418.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9665341418 = 2 ⋅4832670709.

It is an interprime number because it is at equal distance from previous prime (8141435657) and next prime (8141435681).

It can be written as a sum of positive squares in 2 ways, for example, as 5687422225 + 2454013444 = 75415^2 + 49538^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8141435669 is a prime.

It is a super-2 number, since 2×8141435669² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8141435689) 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, 140369552 + ... + 140369609.

It is an arithmetic number, because the mean of its divisors is an integer number (2105543715).

Almost surely, 2^8141435669 is an apocalyptic number.

It is an amenable number.

8141435669 is a deficient number, since it is larger than the sum of its proper divisors (280739191).

8141435669 is a wasteful number, since it uses less digits than its factorization.

8141435669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280739190.

The product of its digits is 622080, while the sum is 47.

The square root of 8141435669 is about 90229.9045161858. The cubic root of 8141435669 is about 2011.7175215264.

The spelling of 8141435669 in words is "eight billion, one hundred forty-one million, four hundred thirty-five thousand, six hundred sixty-nine".