192803540836 has 9 divisors (see below), whose sum is σ = 337407733299. Its totient is φ = 96401331324.

The previous prime is 192803540749. The next prime is 192803540843. The reversal of 192803540836 is 638045308291.

The square root of 192803540836 is 439094.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 192803540836.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 768415 + ... + 987961.

Almost surely, 2^192803540836 is an apocalyptic number.

192803540836 is the 439094-th square number.

It is an amenable number.

192803540836 is a deficient number, since it is larger than the sum of its proper divisors (144604192463).

192803540836 is an frugal number, since it uses more digits than its factorization.

192803540836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439098 (or 219549 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

Multiplying 192803540836 by its sum of digits (49), we get a square (9447373500964 = 3073658²).

The spelling of 192803540836 in words is "one hundred ninety-two billion, eight hundred three million, five hundred forty thousand, eight hundred thirty-six".