4143664499 has 4 divisors (see below), whose sum is σ = 4462407936. Its totient is φ = 3824921064.

The previous prime is 4143664489. The next prime is 4143664531. The reversal of 4143664499 is 9944663414.

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 4143664499 - 2¹² = 4143660403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4143664489) 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, 159371699 + ... + 159371724.

It is an arithmetic number, because the mean of its divisors is an integer number (1115601984).

Almost surely, 2^4143664499 is an apocalyptic number.

4143664499 is a deficient number, since it is larger than the sum of its proper divisors (318743437).

4143664499 is a wasteful number, since it uses less digits than its factorization.

4143664499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318743436.

The product of its digits is 2239488, while the sum is 50.

The square root of 4143664499 is about 64371.3018277555. The cubic root of 4143664499 is about 1606.1823954468.

The spelling of 4143664499 in words is "four billion, one hundred forty-three million, six hundred sixty-four thousand, four hundred ninety-nine".