19242195036 has 12 divisors (see below), whose sum is σ = 44898455112. Its totient is φ = 6414065008.

The previous prime is 19242195029. The next prime is 19242195061. The reversal of 19242195036 is 63059124291.

It is a tau number, because it is divible by the number of its divisors (12).

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, 801758115 + ... + 801758138.

It is an arithmetic number, because the mean of its divisors is an integer number (3741537926).

Almost surely, 2^19242195036 is an apocalyptic number.

It is an amenable number.

19242195036 is an abundant number, since it is smaller than the sum of its proper divisors (25656260076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19242195036 is a wasteful number, since it uses less digits than its factorization.

19242195036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603516260 (or 1603516258 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 19242195036 in words is "nineteen billion, two hundred forty-two million, one hundred ninety-five thousand, thirty-six".