9444502922481 has 81 divisors (see below), whose sum is σ = 15679165743787. Its totient is φ = 5473721953920.

The previous prime is 9444502922473. The next prime is 9444502922521. The reversal of 9444502922481 is 1842292054449.

The square root of 9444502922481 is 3073191.

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

9444502922481 is a `hidden beast` number, since 9 + 4 + 4 + 4 + 502 + 92 + 2 + 48 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2306628900081 + 7137874022400 = 1518759^2 + 2671680^2 .

It is not a de Polignac number, because 9444502922481 - 2³ = 9444502922473 is a prime.

It is a super-2 number, since 2×9444502922481² (a number of 27 digits) contains 22 as substring.

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 a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9444502922411) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 2332549945 + ... + 2332553993.

Almost surely, 2^{9444502922481} is an apocalyptic number.

9444502922481 is the 3073191-st square number.

9444502922481 is the 1536596-th centered octagonal number.

It is an amenable number.

9444502922481 is a deficient number, since it is larger than the sum of its proper divisors (6234662821306).

9444502922481 is an equidigital number, since it uses as much as digits as its factorization.

9444502922481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8172 (or 4086 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 9444502922481 in words is "nine trillion, four hundred forty-four billion, five hundred two million, nine hundred twenty-two thousand, four hundred eighty-one".