1923869133 has 12 divisors (see below), whose sum is σ = 2779302240. Its totient is φ = 1282403976.

The previous prime is 1923869119. The next prime is 1923869137. The reversal of 1923869133 is 3319683291.

It is not a de Polignac number, because 1923869133 - 2⁶ = 1923869069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1923869137) 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 11 ways as a sum of consecutive naturals, for example, 123310 + ... + 138032.

It is an arithmetic number, because the mean of its divisors is an integer number (231608520).

Almost surely, 2^1923869133 is an apocalyptic number.

It is an amenable number.

1923869133 is a deficient number, since it is larger than the sum of its proper divisors (855433107).

1923869133 is a wasteful number, since it uses less digits than its factorization.

1923869133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29248 (or 29245 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 1923869133 is about 43861.9326181599. The cubic root of 1923869133 is about 1243.7273238528.

The spelling of 1923869133 in words is "one billion, nine hundred twenty-three million, eight hundred sixty-nine thousand, one hundred thirty-three".