8319419532 has 144 divisors (see below), whose sum is σ = 22140518400. Its totient is φ = 2630759040.

The previous prime is 8319419527. The next prime is 8319419543. The reversal of 8319419532 is 2359149138.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17368069 + ... + 17368547.

It is an arithmetic number, because the mean of its divisors is an integer number (153753600).

Almost surely, 2^8319419532 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 8319419532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11070259200).

8319419532 is an abundant number, since it is smaller than the sum of its proper divisors (13821098868).

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

8319419532 is a wasteful number, since it uses less digits than its factorization.

8319419532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 791 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 8319419532 is about 91210.8520517159. The cubic root of 8319419532 is about 2026.2716826171.

The spelling of 8319419532 in words is "eight billion, three hundred nineteen million, four hundred nineteen thousand, five hundred thirty-two".