19842205190 has 64 divisors (see below), whose sum is σ = 37240865856. Its totient is φ = 7607089152.

The previous prime is 19842205171. The next prime is 19842205199. The reversal of 19842205190 is 9150224891.

It is a super-2 number, since 2×19842205190² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19842205199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4137434 + ... + 4142226.

It is an arithmetic number, because the mean of its divisors is an integer number (581888529).

Almost surely, 2^19842205190 is an apocalyptic number.

19842205190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19842205190 is a deficient number, since it is larger than the sum of its proper divisors (17398660666).

19842205190 is a wasteful number, since it uses less digits than its factorization.

19842205190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5033.

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 19842205190 in words is "nineteen billion, eight hundred forty-two million, two hundred five thousand, one hundred ninety".