19608038912 has 160 divisors (see below), whose sum is σ = 51417780480. Its totient is φ = 7237140480.

The previous prime is 19608038911. The next prime is 19608038953. The reversal of 19608038912 is 21983080691.

It is a super-2 number, since 2×19608038912² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19608038911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 735968 + ... + 762144.

It is an arithmetic number, because the mean of its divisors is an integer number (321361128).

Almost surely, 2^19608038912 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 19608038912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25708890240).

19608038912 is an abundant number, since it is smaller than the sum of its proper divisors (31809741568).

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

19608038912 is a wasteful number, since it uses less digits than its factorization.

19608038912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26232 (or 26216 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 47.

The spelling of 19608038912 in words is "nineteen billion, six hundred eight million, thirty-eight thousand, nine hundred twelve".