9609712650 has 72 divisors (see below), whose sum is σ = 27176965920. Its totient is φ = 2427714720.

The previous prime is 9609712633. The next prime is 9609712681. The reversal of 9609712650 is 562179069.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 9609712596 and 9609712605.

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 35 ways as a sum of consecutive naturals, for example, 553422 + ... + 570521.

It is an arithmetic number, because the mean of its divisors is an integer number (377457860).

Almost surely, 2^9609712650 is an apocalyptic number.

9609712650 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

9609712650 is an abundant number, since it is smaller than the sum of its proper divisors (17567253270).

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

9609712650 is a wasteful number, since it uses less digits than its factorization.

9609712650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123980 (or 1123972 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 9609712650 is about 98029.1418405772. The cubic root of 9609712650 is about 2126.0336489156.

The spelling of 9609712650 in words is "nine billion, six hundred nine million, seven hundred twelve thousand, six hundred fifty".