8129654544 has 40 divisors (see below), whose sum is σ = 22910846112. Its totient is φ = 2463531520.

The previous prime is 8129654539. The next prime is 8129654557. The reversal of 8129654544 is 4454569218.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 8129654493 and 8129654502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7698009 + ... + 7699064.

Almost surely, 2^8129654544 is an apocalyptic number.

It is an amenable number.

8129654544 is an abundant number, since it is smaller than the sum of its proper divisors (14781191568).

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

8129654544 is a wasteful number, since it uses less digits than its factorization.

8129654544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15397095 (or 15397089 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 48.

The square root of 8129654544 is about 90164.5969546806. The cubic root of 8129654544 is about 2010.7466961648.

The spelling of 8129654544 in words is "eight billion, one hundred twenty-nine million, six hundred fifty-four thousand, five hundred forty-four".