19453370048 has 84 divisors (see below), whose sum is σ = 45249019992. Its totient is φ = 8273341440.

The previous prime is 19453370047. The next prime is 19453370051. The reversal of 19453370048 is 84007335491.

It is a junction number, because it is equal to n+sod(n) for n = 19453369990 and 19453370008.

It is not an unprimeable number, because it can be changed into a prime (19453370047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 387140 + ... + 434492.

Almost surely, 2^19453370048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19453370048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22624509996).

19453370048 is an abundant number, since it is smaller than the sum of its proper divisors (25795649944).

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

19453370048 is a wasteful number, since it uses less digits than its factorization.

19453370048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47510 (or 47493 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 19453370048 in words is "nineteen billion, four hundred fifty-three million, three hundred seventy thousand, forty-eight".