19203188948 has 24 divisors (see below), whose sum is σ = 34741023744. Its totient is φ = 9278100000.

The previous prime is 19203188929. The next prime is 19203188951. The reversal of 19203188948 is 84988130291.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 19203188948.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30428 + ... + 198323.

It is an arithmetic number, because the mean of its divisors is an integer number (1447542656).

Almost surely, 2^19203188948 is an apocalyptic number.

It is an amenable number.

19203188948 is a deficient number, since it is larger than the sum of its proper divisors (15537834796).

19203188948 is a wasteful number, since it uses less digits than its factorization.

19203188948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229463 (or 229461 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 53.

The spelling of 19203188948 in words is "nineteen billion, two hundred three million, one hundred eighty-eight thousand, nine hundred forty-eight".