8129519000 has 64 divisors (see below), whose sum is σ = 20142120960. Its totient is φ = 3060518400.

The previous prime is 8129518997. The next prime is 8129519011. The reversal of 8129519000 is 9159218.

It is a super-2 number, since 2×8129519000² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222104 + ... + 256103.

It is an arithmetic number, because the mean of its divisors is an integer number (314720640).

Almost surely, 2^8129519000 is an apocalyptic number.

It is an amenable number.

8129519000 is an abundant number, since it is smaller than the sum of its proper divisors (12012601960).

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

8129519000 is a wasteful number, since it uses less digits than its factorization.

8129519000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478245 (or 478231 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 8129519000 is about 90163.8453039798. The cubic root of 8129519000 is about 2010.7355211854.

The spelling of 8129519000 in words is "eight billion, one hundred twenty-nine million, five hundred nineteen thousand".