6424198899 has 4 divisors (see below), whose sum is σ = 8565598536. Its totient is φ = 4282799264.

The previous prime is 6424198897. The next prime is 6424198903. The reversal of 6424198899 is 9988914246.

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 6424198899 - 2¹ = 6424198897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6424198897) 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, 1070699814 + ... + 1070699819.

It is an arithmetic number, because the mean of its divisors is an integer number (2141399634).

Almost surely, 2^6424198899 is an apocalyptic number.

6424198899 is a deficient number, since it is larger than the sum of its proper divisors (2141399637).

6424198899 is a wasteful number, since it uses less digits than its factorization.

6424198899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141399636.

The product of its digits is 8957952, while the sum is 60.

The square root of 6424198899 is about 80151.1004228888. The cubic root of 6424198899 is about 1858.9726182526.

The spelling of 6424198899 in words is "six billion, four hundred twenty-four million, one hundred ninety-eight thousand, eight hundred ninety-nine".