19758475000 has 96 divisors (see below), whose sum is σ = 50516298000. Its totient is φ = 7184800000.

The previous prime is 19758474997. The next prime is 19758475007. The reversal of 19758475000 is 57485791.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19758475007) 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, 239076 + ... + 310924.

Almost surely, 2^19758475000 is an apocalyptic number.

19758475000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19758475000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25258149000).

19758475000 is an abundant number, since it is smaller than the sum of its proper divisors (30757823000).

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

19758475000 is an equidigital number, since it uses as much as digits as its factorization.

19758475000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71891 (or 71867 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 46.

The spelling of 19758475000 in words is "nineteen billion, seven hundred fifty-eight million, four hundred seventy-five thousand".