9478694694 has 64 divisors (see below), whose sum is σ = 21930725376. Its totient is φ = 2675165184.

The previous prime is 9478694653. The next prime is 9478694707. The reversal of 9478694694 is 4964968749.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2471002 + ... + 2474834.

It is an arithmetic number, because the mean of its divisors is an integer number (342667584).

Almost surely, 2^9478694694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9478694694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10965362688).

9478694694 is an abundant number, since it is smaller than the sum of its proper divisors (12452030682).

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

9478694694 is a wasteful number, since it uses less digits than its factorization.

9478694694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549.

The product of its digits is 94058496, while the sum is 66.

The square root of 9478694694 is about 97358.5881882025. The cubic root of 9478694694 is about 2116.3273523861.

The spelling of 9478694694 in words is "nine billion, four hundred seventy-eight million, six hundred ninety-four thousand, six hundred ninety-four".