19867035050 has 24 divisors (see below), whose sum is σ = 36956926272. Its totient is φ = 7945902000.

The previous prime is 19867035029. The next prime is 19867035061. The reversal of 19867035050 is 5053076891.

It is a junction number, because it is equal to n+sod(n) for n = 19867034992 and 19867035010.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 569615 + ... + 603485.

It is an arithmetic number, because the mean of its divisors is an integer number (1539871928).

Almost surely, 2^19867035050 is an apocalyptic number.

19867035050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19867035050 is a deficient number, since it is larger than the sum of its proper divisors (17089891222).

19867035050 is a wasteful number, since it uses less digits than its factorization.

19867035050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45614 (or 45609 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 19867035050 in words is "nineteen billion, eight hundred sixty-seven million, thirty-five thousand, fifty".