8133373648 has 20 divisors (see below), whose sum is σ = 16685377380. Its totient is φ = 3827469824.

The previous prime is 8133373613. The next prime is 8133373657. The reversal of 8133373648 is 8463733318.

It can be written as a sum of positive squares in 2 ways, for example, as 5519301264 + 2614072384 = 74292^2 + 51128^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8133373598 and 8133373607.

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 3 ways as a sum of consecutive naturals, for example, 14950783 + ... + 14951326.

It is an arithmetic number, because the mean of its divisors is an integer number (834268869).

Almost surely, 2^8133373648 is an apocalyptic number.

It is an amenable number.

8133373648 is an abundant number, since it is smaller than the sum of its proper divisors (8552003732).

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

8133373648 is a wasteful number, since it uses less digits than its factorization.

8133373648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29902134 (or 29902128 counting only the distinct ones).

The product of its digits is 870912, while the sum is 46.

The square root of 8133373648 is about 90185.2185671244. The cubic root of 8133373648 is about 2011.0532707338.

It can be divided in two parts, 81 and 33373648, that added together give a square (33373729 = 5777²).

The spelling of 8133373648 in words is "eight billion, one hundred thirty-three million, three hundred seventy-three thousand, six hundred forty-eight".