19453241950 has 48 divisors (see below), whose sum is σ = 38387565360. Its totient is φ = 7309022720.

The previous prime is 19453241911. The next prime is 19453241957. The reversal of 19453241950 is 5914235491.

It is a junction number, because it is equal to n+sod(n) for n = 19453241897 and 19453241906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19453241957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 410169 + ... + 455131.

It is an arithmetic number, because the mean of its divisors is an integer number (799740945).

Almost surely, 2^19453241950 is an apocalyptic number.

19453241950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19453241950 is a deficient number, since it is larger than the sum of its proper divisors (18934323410).

19453241950 is a wasteful number, since it uses less digits than its factorization.

19453241950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45501 (or 45496 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 19453241950 in words is "nineteen billion, four hundred fifty-three million, two hundred forty-one thousand, nine hundred fifty".