19091000942 has 16 divisors (see below), whose sum is σ = 30843803760. Its totient is φ = 8809947072.

The previous prime is 19091000941. The next prime is 19091000989. The reversal of 19091000942 is 24900019091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19091000941) 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 7 ways as a sum of consecutive naturals, for example, 141773 + ... + 241415.

It is an arithmetic number, because the mean of its divisors is an integer number (1927737735).

Almost surely, 2^19091000942 is an apocalyptic number.

19091000942 is a deficient number, since it is larger than the sum of its proper divisors (11752802818).

19091000942 is a wasteful number, since it uses less digits than its factorization.

19091000942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107027.

The product of its (nonzero) digits is 5832, while the sum is 35.

The spelling of 19091000942 in words is "nineteen billion, ninety-one million, nine hundred forty-two", and thus it is an aban number.