9872152441 has 4 divisors (see below), whose sum is σ = 9872370000. Its totient is φ = 9871934884.

The previous prime is 9872152439. The next prime is 9872152517. The reversal of 9872152441 is 1442512789.

9872152441 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9872152441 - 2¹ = 9872152439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9872150441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12031 + ... + 141028.

It is an arithmetic number, because the mean of its divisors is an integer number (2468092500).

Almost surely, 2^9872152441 is an apocalyptic number.

It is an amenable number.

9872152441 is a deficient number, since it is larger than the sum of its proper divisors (217559).

9872152441 is a wasteful number, since it uses less digits than its factorization.

9872152441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217558.

The product of its digits is 161280, while the sum is 43.

The square root of 9872152441 is about 99358.7059144794. The cubic root of 9872152441 is about 2145.2139756076.

The spelling of 9872152441 in words is "nine billion, eight hundred seventy-two million, one hundred fifty-two thousand, four hundred forty-one".