9636820890 has 32 divisors (see below), whose sum is σ = 23874448896. Its totient is φ = 2486921280.

The previous prime is 9636820871. The next prime is 9636820937. The reversal of 9636820890 is 980286369.

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, 5180157 + ... + 5182016.

It is an arithmetic number, because the mean of its divisors is an integer number (746076528).

Almost surely, 2^9636820890 is an apocalyptic number.

9636820890 is an abundant number, since it is smaller than the sum of its proper divisors (14237628006).

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

9636820890 is a wasteful number, since it uses less digits than its factorization.

9636820890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10362214.

The product of its (nonzero) digits is 1119744, while the sum is 51.

The square root of 9636820890 is about 98167.3106996418. The cubic root of 9636820890 is about 2128.0308963717.

The spelling of 9636820890 in words is "nine billion, six hundred thirty-six million, eight hundred twenty thousand, eight hundred ninety".