1799669198 has 16 divisors (see below), whose sum is σ = 2919115584. Its totient is φ = 828883200.

The previous prime is 1799669191. The next prime is 1799669213. The reversal of 1799669198 is 8919669971.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1799669191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561503 + ... + 564698.

It is an arithmetic number, because the mean of its divisors is an integer number (182444724).

Almost surely, 2^1799669198 is an apocalyptic number.

1799669198 is a deficient number, since it is larger than the sum of its proper divisors (1119446386).

1799669198 is a wasteful number, since it uses less digits than its factorization.

1799669198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126267.

The product of its digits is 13226976, while the sum is 65.

The square root of 1799669198 is about 42422.5081531019. The cubic root of 1799669198 is about 1216.3658758609.

The spelling of 1799669198 in words is "one billion, seven hundred ninety-nine million, six hundred sixty-nine thousand, one hundred ninety-eight".