9213696144 has 135 divisors (see below), whose sum is σ = 27278910009. Its totient is φ = 2902677120.

The previous prime is 9213696133. The next prime is 9213696161. The reversal of 9213696144 is 4416963129.

The square root of 9213696144 is 95988.

It is a perfect power (a square), and thus also a powerful number.

9213696144 is a `hidden beast` number, since 9 + 21 + 3 + 6 + 9 + 614 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 43718544 + 9169977600 = 6612^2 + 95760^2 .

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 9213696144.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 21885054 + ... + 21885474.

Almost surely, 2^9213696144 is an apocalyptic number.

9213696144 is the 95988-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9213696144

9213696144 is an abundant number, since it is smaller than the sum of its proper divisors (18065213865).

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

9213696144 is a wasteful number, since it uses less digits than its factorization.

9213696144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894 (or 445 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The cubic root of 9213696144 is about 2096.4183956340.

The spelling of 9213696144 in words is "nine billion, two hundred thirteen million, six hundred ninety-six thousand, one hundred forty-four".