9690639574 has 32 divisors (see below), whose sum is σ = 19188804096. Its totient is φ = 3553480320.

The previous prime is 9690639533. The next prime is 9690639577. The reversal of 9690639574 is 4759360969.

9690639574 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9690639577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1848154 + ... + 1853389.

It is an arithmetic number, because the mean of its divisors is an integer number (599650128).

Almost surely, 2^9690639574 is an apocalyptic number.

9690639574 is a deficient number, since it is larger than the sum of its proper divisors (9498164522).

9690639574 is a wasteful number, since it uses less digits than its factorization.

9690639574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3701580.

The product of its (nonzero) digits is 11022480, while the sum is 58.

The square root of 9690639574 is about 98441.0461850137. The cubic root of 9690639574 is about 2131.9850109006.

The spelling of 9690639574 in words is "nine billion, six hundred ninety million, six hundred thirty-nine thousand, five hundred seventy-four".