19300194738 has 48 divisors (see below), whose sum is σ = 45796267296. Its totient is φ = 5825771520.

The previous prime is 19300194703. The next prime is 19300194757. The reversal of 19300194738 is 83749100391.

It is a junction number, because it is equal to n+sod(n) for n = 19300194693 and 19300194702.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138756 + ... + 240527.

It is an arithmetic number, because the mean of its divisors is an integer number (954088902).

Almost surely, 2^19300194738 is an apocalyptic number.

19300194738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

19300194738 is an abundant number, since it is smaller than the sum of its proper divisors (26496072558).

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

19300194738 is a wasteful number, since it uses less digits than its factorization.

19300194738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379559 (or 379556 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 19300194738 in words is "nineteen billion, three hundred million, one hundred ninety-four thousand, seven hundred thirty-eight".