19348933632 has 704 divisors, whose sum is σ = 67914547200. Its totient is φ = 4768727040.

The previous prime is 19348933621. The next prime is 19348933649. The reversal of 19348933632 is 23633984391.

It is a happy number.

It is a super-2 number, since 2×19348933632² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 272520157 + ... + 272520227.

Almost surely, 2^19348933632 is an apocalyptic number.

19348933632 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 19348933632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33957273600).

19348933632 is an abundant number, since it is smaller than the sum of its proper divisors (48565613568).

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

19348933632 is a wasteful number, since it uses less digits than its factorization.

19348933632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 154 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 51.

The spelling of 19348933632 in words is "nineteen billion, three hundred forty-eight million, nine hundred thirty-three thousand, six hundred thirty-two".