9618402834 has 80 divisors (see below), whose sum is σ = 22844641248. Its totient is φ = 3014299008.

The previous prime is 9618402797. The next prime is 9618402853. The reversal of 9618402834 is 4382048169.

It is a happy number.

9618402834 is a `hidden beast` number, since 9 + 618 + 4 + 0 + 28 + 3 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 9618402834.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4744129 + ... + 4746155.

Almost surely, 2^9618402834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9618402834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11422320624).

9618402834 is an abundant number, since it is smaller than the sum of its proper divisors (13226238414).

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

9618402834 is a wasteful number, since it uses less digits than its factorization.

9618402834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781 (or 3772 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 9618402834 is about 98073.4563171911. The cubic root of 9618402834 is about 2126.6743221533.

The spelling of 9618402834 in words is "nine billion, six hundred eighteen million, four hundred two thousand, eight hundred thirty-four".