9801980199 has 24 divisors (see below), whose sum is σ = 15450459024. Its totient is φ = 5938704000.

The previous prime is 9801980191. The next prime is 9801980233. The reversal of 9801980199 is 9910891089.

It is not a de Polignac number, because 9801980199 - 2³ = 9801980191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9801980191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 336579 + ... + 364539.

It is an arithmetic number, because the mean of its divisors is an integer number (643769126).

Almost surely, 2^9801980199 is an apocalyptic number.

9801980199 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

9801980199 is a deficient number, since it is larger than the sum of its proper divisors (5648478825).

9801980199 is a wasteful number, since it uses less digits than its factorization.

9801980199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31519 (or 31516 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 54.

The square root of 9801980199 is about 99004.9503762312. The cubic root of 9801980199 is about 2140.1190866708.

The spelling of 9801980199 in words is "nine billion, eight hundred one million, nine hundred eighty thousand, one hundred ninety-nine".