9451538482725 has 36 divisors (see below), whose sum is σ = 17924564753316. Its totient is φ = 4744301667840.

The previous prime is 9451538482693. The next prime is 9451538482741. The reversal of 9451538482725 is 5272848351549.

It is a happy number.

9451538482725 is a `hidden beast` number, since 9 + 4 + 51 + 5 + 38 + 482 + 72 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 696467026116 + 8755071456609 = 834546^2 + 2958897^2 .

It is not a de Polignac number, because 9451538482725 - 2⁵ = 9451538482693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1235491402 + ... + 1235499051.

It is an arithmetic number, because the mean of its divisors is an integer number (497904576481).

Almost surely, 2^{9451538482725} is an apocalyptic number.

It is an amenable number.

9451538482725 is a deficient number, since it is larger than the sum of its proper divisors (8473026270591).

9451538482725 is a wasteful number, since it uses less digits than its factorization.

9451538482725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470990486 (or 2470990478 counting only the distinct ones).

The product of its digits is 96768000, while the sum is 63.

The spelling of 9451538482725 in words is "nine trillion, four hundred fifty-one billion, five hundred thirty-eight million, four hundred eighty-two thousand, seven hundred twenty-five".