9476520638 has 8 divisors (see below), whose sum is σ = 15308225688. Its totient is φ = 4373778744.

The previous prime is 9476520619. The next prime is 9476520659. The reversal of 9476520638 is 8360256749.

It is a happy number.

9476520638 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182240756 + ... + 182240807.

It is an arithmetic number, because the mean of its divisors is an integer number (1913528211).

Almost surely, 2^9476520638 is an apocalyptic number.

9476520638 is a deficient number, since it is larger than the sum of its proper divisors (5831705050).

9476520638 is a wasteful number, since it uses less digits than its factorization.

9476520638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364481578.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The square root of 9476520638 is about 97347.4223490278. The cubic root of 9476520638 is about 2116.1655380527.

The spelling of 9476520638 in words is "nine billion, four hundred seventy-six million, five hundred twenty thousand, six hundred thirty-eight".