19484364950 has 24 divisors (see below), whose sum is σ = 36484160400. Its totient is φ = 7741436000.

The previous prime is 19484364943. The next prime is 19484365013. The reversal of 19484364950 is 5946348491.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 19484364892 and 19484364901.

It is a congruent number.

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, 1300226 + ... + 1315125.

It is an arithmetic number, because the mean of its divisors is an integer number (1520173350).

Almost surely, 2^19484364950 is an apocalyptic number.

19484364950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19484364950 is a deficient number, since it is larger than the sum of its proper divisors (16999795450).

19484364950 is a wasteful number, since it uses less digits than its factorization.

19484364950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615512 (or 2615507 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 19484364950 in words is "nineteen billion, four hundred eighty-four million, three hundred sixty-four thousand, nine hundred fifty".