19204258090 has 16 divisors (see below), whose sum is σ = 34831542240. Its totient is φ = 7623063760.

The previous prime is 19204258061. The next prime is 19204258093. The reversal of 19204258090 is 9085240291.

It is not an unprimeable number, because it can be changed into a prime (19204258093) 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 7 ways as a sum of consecutive naturals, for example, 7328560 + ... + 7331179.

It is an arithmetic number, because the mean of its divisors is an integer number (2176971390).

Almost surely, 2^19204258090 is an apocalyptic number.

19204258090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19204258090 is a deficient number, since it is larger than the sum of its proper divisors (15627284150).

19204258090 is a wasteful number, since it uses less digits than its factorization.

19204258090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14659877.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 19204258090 in words is "nineteen billion, two hundred four million, two hundred fifty-eight thousand, ninety".