8669990450 has 48 divisors (see below), whose sum is σ = 17648754336. Its totient is φ = 3142588800.

The previous prime is 8669990431. The next prime is 8669990467. The reversal of 8669990450 is 540999668.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 146969 + ... + 197331.

It is an arithmetic number, because the mean of its divisors is an integer number (367682382).

Almost surely, 2^8669990450 is an apocalyptic number.

8669990450 is an abundant number, since it is smaller than the sum of its proper divisors (8978763886).

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

8669990450 is a wasteful number, since it uses less digits than its factorization.

8669990450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50699 (or 50694 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 56.

The square root of 8669990450 is about 93112.7834939972. The cubic root of 8669990450 is about 2054.3426048047.

The spelling of 8669990450 in words is "eight billion, six hundred sixty-nine million, nine hundred ninety thousand, four hundred fifty".