19101920092 has 12 divisors (see below), whose sum is σ = 33431805736. Its totient is φ = 9549975600.

The previous prime is 19101920083. The next prime is 19101920119. The reversal of 19101920092 is 29002910191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201558 + ... + 280765.

Almost surely, 2^19101920092 is an apocalyptic number.

It is an amenable number.

19101920092 is a deficient number, since it is larger than the sum of its proper divisors (14329885644).

19101920092 is a wasteful number, since it uses less digits than its factorization.

19101920092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492228 (or 492226 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 34.

Subtracting 19101920092 from its reverse (29002910191), we obtain a palindrome (9900990099).

The spelling of 19101920092 in words is "nineteen billion, one hundred one million, nine hundred twenty thousand, ninety-two".