9473815668 has 12 divisors (see below), whose sum is σ = 22105569920. Its totient is φ = 3157938552.

The previous prime is 9473815661. The next prime is 9473815669. The reversal of 9473815668 is 8665183749.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×9473815668² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9473815661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394742308 + ... + 394742331.

Almost surely, 2^9473815668 is an apocalyptic number.

It is an amenable number.

9473815668 is an abundant number, since it is smaller than the sum of its proper divisors (12631754252).

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

9473815668 is a wasteful number, since it uses less digits than its factorization.

9473815668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789484646 (or 789484644 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 57.

The square root of 9473815668 is about 97333.5279746912. The cubic root of 9473815668 is about 2115.9641733946.

The spelling of 9473815668 in words is "nine billion, four hundred seventy-three million, eight hundred fifteen thousand, six hundred sixty-eight".