9144986634 has 96 divisors (see below), whose sum is σ = 24068628480. Its totient is φ = 2451236256.

The previous prime is 9144986603. The next prime is 9144986657. The reversal of 9144986634 is 4366894419.

It is a happy number.

9144986634 is a `hidden beast` number, since 91 + 4 + 498 + 6 + 63 + 4 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 228039 + ... + 265125.

It is an arithmetic number, because the mean of its divisors is an integer number (250714880).

Almost surely, 2^9144986634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9144986634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12034314240).

9144986634 is an abundant number, since it is smaller than the sum of its proper divisors (14923641846).

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

9144986634 is a wasteful number, since it uses less digits than its factorization.

9144986634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37224 (or 37221 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The square root of 9144986634 is about 95629.4234741588. The cubic root of 9144986634 is about 2091.1941645944.

The spelling of 9144986634 in words is "nine billion, one hundred forty-four million, nine hundred eighty-six thousand, six hundred thirty-four".