19213180000 has 480 divisors, whose sum is σ = 58949130240. Its totient is φ = 6013440000.

The previous prime is 19213179983. The next prime is 19213180001. The reversal of 19213180000 is 8131291.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19213180001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 82459884 + ... + 82460116.

It is an arithmetic number, because the mean of its divisors is an integer number (122810688).

Almost surely, 2^19213180000 is an apocalyptic number.

19213180000 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 19213180000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29474565120).

19213180000 is an abundant number, since it is smaller than the sum of its proper divisors (39735950240).

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

19213180000 is a wasteful number, since it uses less digits than its factorization.

19213180000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 19213180000 in words is "nineteen billion, two hundred thirteen million, one hundred eighty thousand".