8129619248 has 20 divisors (see below), whose sum is σ = 15758742120. Its totient is φ = 4062847104.

The previous prime is 8129619227. The next prime is 8129619257. The reversal of 8129619248 is 8429169218.

It is a junction number, because it is equal to n+sod(n) for n = 8129619196 and 8129619205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88190 + ... + 155037.

It is an arithmetic number, because the mean of its divisors is an integer number (787937106).

Almost surely, 2^8129619248 is an apocalyptic number.

It is an amenable number.

8129619248 is a deficient number, since it is larger than the sum of its proper divisors (7629122872).

8129619248 is a wasteful number, since it uses less digits than its factorization.

8129619248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245324 (or 245318 counting only the distinct ones).

The product of its digits is 497664, while the sum is 50.

The square root of 8129619248 is about 90164.4012235428. The cubic root of 8129619248 is about 2010.7437861839.

The spelling of 8129619248 in words is "eight billion, one hundred twenty-nine million, six hundred nineteen thousand, two hundred forty-eight".