2098901191830 has 64 divisors (see below), whose sum is σ = 5360480985600. Its totient is φ = 524135867904.

The previous prime is 2098901191817. The next prime is 2098901191831. The reversal of 2098901191830 is 381911098902.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098901191831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10238944 + ... + 10441923.

It is an arithmetic number, because the mean of its divisors is an integer number (83757515400).

Almost surely, 2^{2098901191830} is an apocalyptic number.

2098901191830 is an abundant number, since it is smaller than the sum of its proper divisors (3261579793770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2098901191830 is a wasteful number, since it uses less digits than its factorization.

2098901191830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20681093.

The product of its (nonzero) digits is 279936, while the sum is 51.

The spelling of 2098901191830 in words is "two trillion, ninety-eight billion, nine hundred one million, one hundred ninety-one thousand, eight hundred thirty".