19108469790 has 24 divisors (see below), whose sum is σ = 49682021688. Its totient is φ = 5095591920.

The previous prime is 19108469753. The next prime is 19108469791. The reversal of 19108469790 is 9796480191.

19108469790 is a `hidden beast` number, since 1 + 9 + 108 + 469 + 79 + 0 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19108469791) 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 11 ways as a sum of consecutive naturals, for example, 106158076 + ... + 106158255.

It is an arithmetic number, because the mean of its divisors is an integer number (2070084237).

Almost surely, 2^19108469790 is an apocalyptic number.

19108469790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19108469790 is an abundant number, since it is smaller than the sum of its proper divisors (30573551898).

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

19108469790 is a wasteful number, since it uses less digits than its factorization.

19108469790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212316344 (or 212316341 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The spelling of 19108469790 in words is "nineteen billion, one hundred eight million, four hundred sixty-nine thousand, seven hundred ninety".