6411594869 has 4 divisors (see below), whose sum is σ = 6422407596. Its totient is φ = 6400782144.

The previous prime is 6411594857. The next prime is 6411594877. The reversal of 6411594869 is 9684951146.

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 1889032369 + 4522562500 = 43463^2 + 67250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6411594869 is a prime.

It is a super-2 number, since 2×6411594869² = 82217097528374254322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6411594869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6411594269) 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, 5405474 + ... + 5406659.

It is an arithmetic number, because the mean of its divisors is an integer number (1605601899).

Almost surely, 2^6411594869 is an apocalyptic number.

It is an amenable number.

6411594869 is a deficient number, since it is larger than the sum of its proper divisors (10812727).

6411594869 is a wasteful number, since it uses less digits than its factorization.

6411594869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10812726.

The product of its digits is 1866240, while the sum is 53.

The square root of 6411594869 is about 80072.4351384420. The cubic root of 6411594869 is about 1857.7560781559.

The spelling of 6411594869 in words is "six billion, four hundred eleven million, five hundred ninety-four thousand, eight hundred sixty-nine".