9801325441 has 4 divisors (see below), whose sum is σ = 9802135300. Its totient is φ = 9800515584.

The previous prime is 9801325399. The next prime is 9801325447. The reversal of 9801325441 is 1445231089.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8747673841 + 1053651600 = 93529^2 + 32460^2 .

It is a cyclic number.

It is not a de Polignac number, because 9801325441 - 2¹¹ = 9801323393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9801325441.

It is not an unprimeable number, because it can be changed into a prime (9801325447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386496 + ... + 411073.

It is an arithmetic number, because the mean of its divisors is an integer number (2450533825).

Almost surely, 2^9801325441 is an apocalyptic number.

It is an amenable number.

9801325441 is a deficient number, since it is larger than the sum of its proper divisors (809859).

9801325441 is a wasteful number, since it uses less digits than its factorization.

9801325441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809858.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 9801325441 is about 99001.6436277701. The cubic root of 9801325441 is about 2140.0714333304.

The spelling of 9801325441 in words is "nine billion, eight hundred one million, three hundred twenty-five thousand, four hundred forty-one".