8143604407 has 4 divisors (see below), whose sum is σ = 8332990600. Its totient is φ = 7954218216.

The previous prime is 8143604351. The next prime is 8143604419. The reversal of 8143604407 is 7044063418.

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

It is a cyclic number.

It is not a de Polignac number, because 8143604407 - 2¹¹ = 8143602359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8143604477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94693032 + ... + 94693117.

It is an arithmetic number, because the mean of its divisors is an integer number (2083247650).

Almost surely, 2^8143604407 is an apocalyptic number.

8143604407 is a deficient number, since it is larger than the sum of its proper divisors (189386193).

8143604407 is a wasteful number, since it uses less digits than its factorization.

8143604407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189386192.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 8143604407 is about 90241.9215608799. The cubic root of 8143604407 is about 2011.8961346142.

The spelling of 8143604407 in words is "eight billion, one hundred forty-three million, six hundred four thousand, four hundred seven".