4143550399 has 4 divisors (see below), whose sum is σ = 4143701536. Its totient is φ = 4143399264.

The previous prime is 4143550373. The next prime is 4143550417. The reversal of 4143550399 is 9930553414.

It is a happy number.

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 4143550399 - 2¹¹ = 4143548351 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 (4143550309) 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, 21594 + ... + 93559.

It is an arithmetic number, because the mean of its divisors is an integer number (1035925384).

Almost surely, 2^4143550399 is an apocalyptic number.

4143550399 is a deficient number, since it is larger than the sum of its proper divisors (151137).

4143550399 is a wasteful number, since it uses less digits than its factorization.

4143550399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151136.

The product of its (nonzero) digits is 291600, while the sum is 43.

The square root of 4143550399 is about 64370.4155571486. The cubic root of 4143550399 is about 1606.1676526917.

The spelling of 4143550399 in words is "four billion, one hundred forty-three million, five hundred fifty thousand, three hundred ninety-nine".