9651284650 has 48 divisors (see below), whose sum is σ = 21595671360. Its totient is φ = 3134851200.

The previous prime is 9651284639. The next prime is 9651284779. The reversal of 9651284650 is 564821569.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 9651284650.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 719011 + ... + 732310.

It is an arithmetic number, because the mean of its divisors is an integer number (449909820).

Almost surely, 2^9651284650 is an apocalyptic number.

9651284650 is an abundant number, since it is smaller than the sum of its proper divisors (11944386710).

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

9651284650 is a wasteful number, since it uses less digits than its factorization.

9651284650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451359 (or 1451354 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 9651284650 is about 98240.9520006804. The cubic root of 9651284650 is about 2129.0950074028.

The spelling of 9651284650 in words is "nine billion, six hundred fifty-one million, two hundred eighty-four thousand, six hundred fifty".