19213700352 has 216 divisors, whose sum is σ = 64239715008. Its totient is φ = 4990402560.

The previous prime is 19213700347. The next prime is 19213700381. The reversal of 19213700352 is 25300731291.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 635728 + ... + 665264.

It is an arithmetic number, because the mean of its divisors is an integer number (297406088).

Almost surely, 2^19213700352 is an apocalyptic number.

19213700352 is a gapful number since it is divisible by the number (12) 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 19213700352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32119857504).

19213700352 is an abundant number, since it is smaller than the sum of its proper divisors (45026014656).

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

19213700352 is a wasteful number, since it uses less digits than its factorization.

19213700352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29585 (or 29560 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The spelling of 19213700352 in words is "nineteen billion, two hundred thirteen million, seven hundred thousand, three hundred fifty-two".