19194044133 has 16 divisors (see below), whose sum is σ = 27931286592. Its totient is φ = 11627472000.

The previous prime is 19194044083. The next prime is 19194044137. The reversal of 19194044133 is 33144049191.

It is not a de Polignac number, because 19194044133 - 2¹² = 19194040037 is a prime.

It is a super-2 number, since 2×19194044133² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19194044091 and 19194044100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19194044137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57648 + ... + 204233.

It is an arithmetic number, because the mean of its divisors is an integer number (1745705412).

Almost surely, 2^19194044133 is an apocalyptic number.

It is an amenable number.

19194044133 is a deficient number, since it is larger than the sum of its proper divisors (8737242459).

19194044133 is a wasteful number, since it uses less digits than its factorization.

19194044133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264116.

The product of its (nonzero) digits is 46656, while the sum is 39.

The spelling of 19194044133 in words is "nineteen billion, one hundred ninety-four million, forty-four thousand, one hundred thirty-three".