8451709552 has 80 divisors (see below), whose sum is σ = 19858728960. Its totient is φ = 3431750400.

The previous prime is 8451709549. The next prime is 8451709597. The reversal of 8451709552 is 2559071548.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11349 + ... + 130507.

It is an arithmetic number, because the mean of its divisors is an integer number (248234112).

Almost surely, 2^8451709552 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 8451709552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9929364480).

8451709552 is an abundant number, since it is smaller than the sum of its proper divisors (11407019408).

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

8451709552 is a wasteful number, since it uses less digits than its factorization.

8451709552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119222 (or 119216 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 46.

The square root of 8451709552 is about 91933.1798209983. The cubic root of 8451709552 is about 2036.9554058177.

The spelling of 8451709552 in words is "eight billion, four hundred fifty-one million, seven hundred nine thousand, five hundred fifty-two".