9487121004636 has 144 divisors (see below), whose sum is σ = 24525720444960. Its totient is φ = 2852022272000.

The previous prime is 9487121004629. The next prime is 9487121004707. The reversal of 9487121004636 is 6364001217849.

It is a happy number.

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 47 ways as a sum of consecutive naturals, for example, 318462430 + ... + 318492218.

It is an arithmetic number, because the mean of its divisors is an integer number (170317503090).

Almost surely, 2^{9487121004636} 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 9487121004636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12262860222480).

9487121004636 is an abundant number, since it is smaller than the sum of its proper divisors (15038599440324).

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

9487121004636 is a wasteful number, since it uses less digits than its factorization.

9487121004636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31556 (or 31543 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 9487121004636 in words is "nine trillion, four hundred eighty-seven billion, one hundred twenty-one million, four thousand, six hundred thirty-six".