9629813540 has 24 divisors (see below), whose sum is σ = 21412174392. Its totient is φ = 3625341440.

The previous prime is 9629813521. The next prime is 9629813549. The reversal of 9629813540 is 453189269.

It can be written as a sum of positive squares in 4 ways, for example, as 1731225664 + 7898587876 = 41608^2 + 88874^2 .

It is not an unprimeable number, because it can be changed into a prime (9629813549) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14161151 + ... + 14161830.

It is an arithmetic number, because the mean of its divisors is an integer number (892173933).

Almost surely, 2^9629813540 is an apocalyptic number.

It is an amenable number.

9629813540 is an abundant number, since it is smaller than the sum of its proper divisors (11782360852).

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

9629813540 is a wasteful number, since it uses less digits than its factorization.

9629813540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28323007 (or 28323005 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 9629813540 is about 98131.6133567568. The cubic root of 9629813540 is about 2127.5149768140.

The spelling of 9629813540 in words is "nine billion, six hundred twenty-nine million, eight hundred thirteen thousand, five hundred forty".