4168998399 has 4 divisors (see below), whose sum is σ = 5558664536. Its totient is φ = 2779332264.

The previous prime is 4168998397. The next prime is 4168998409. The reversal of 4168998399 is 9938998614.

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

It is not a de Polignac number, because 4168998399 - 2¹ = 4168998397 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 (4168998397) 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, 694833064 + ... + 694833069.

It is an arithmetic number, because the mean of its divisors is an integer number (1389666134).

Almost surely, 2^4168998399 is an apocalyptic number.

4168998399 is a deficient number, since it is larger than the sum of its proper divisors (1389666137).

4168998399 is a wasteful number, since it uses less digits than its factorization.

4168998399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1389666136.

The product of its digits is 30233088, while the sum is 66.

The square root of 4168998399 is about 64567.7814316088. The cubic root of 4168998399 is about 1609.4490867425.

The spelling of 4168998399 in words is "four billion, one hundred sixty-eight million, nine hundred ninety-eight thousand, three hundred ninety-nine".