9754634344081 has 27 divisors (see below), whose sum is σ = 10762480874523. Its totient is φ = 8834524422240.

The previous prime is 9754634344079. The next prime is 9754634344177. The reversal of 9754634344081 is 1804434364579.

It is a happy number.

The square root of 9754634344081 is 3123241.

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

It can be written as a sum of positive squares in only one way, i.e., 1607720025681 + 8146914318400 = 1267959^2 + 2854280^2 .

It is not a de Polignac number, because 9754634344081 - 2¹ = 9754634344079 is a prime.

It is a super-2 number, since 2×9754634344081² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9754634314081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 17143469565 + ... + 17143470133.

Almost surely, 2^{9754634344081} is an apocalyptic number.

9754634344081 is the 3123241-st square number.

9754634344081 is the 1561621-st centered octagonal number.

It is an amenable number.

9754634344081 is a deficient number, since it is larger than the sum of its proper divisors (1007846530442).

9754634344081 is an frugal number, since it uses more digits than its factorization.

9754634344081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 58.

The spelling of 9754634344081 in words is "nine trillion, seven hundred fifty-four billion, six hundred thirty-four million, three hundred forty-four thousand, eighty-one".