9435406668 has 24 divisors (see below), whose sum is σ = 22233931440. Its totient is φ = 3113995200.

The previous prime is 9435406663. The next prime is 9435406681. The reversal of 9435406668 is 8666045349.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9435406668.

It is not an unprimeable number, because it can be changed into a prime (9435406663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3891283 + ... + 3893706.

It is an arithmetic number, because the mean of its divisors is an integer number (926413810).

Almost surely, 2^9435406668 is an apocalyptic number.

It is an amenable number.

9435406668 is an abundant number, since it is smaller than the sum of its proper divisors (12798524772).

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

9435406668 is a wasteful number, since it uses less digits than its factorization.

9435406668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7785097 (or 7785095 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 51.

The square root of 9435406668 is about 97136.0214750429. The cubic root of 9435406668 is about 2113.1007671866.

The spelling of 9435406668 in words is "nine billion, four hundred thirty-five million, four hundred six thousand, six hundred sixty-eight".