9728590248241 has 4 divisors (see below), whose sum is σ = 9728597474800. Its totient is φ = 9728583021684.

The previous prime is 9728590248233. The next prime is 9728590248259. The reversal of 9728590248241 is 1428420958279.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9728590248241 - 2³ = 9728590248233 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 9728590248241.

It is not an unprimeable number, because it can be changed into a prime (9728590248211) 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, 929451 + ... + 4507888.

It is an arithmetic number, because the mean of its divisors is an integer number (2432149368700).

Almost surely, 2^{9728590248241} is an apocalyptic number.

It is an amenable number.

9728590248241 is a deficient number, since it is larger than the sum of its proper divisors (7226559).

9728590248241 is a wasteful number, since it uses less digits than its factorization.

9728590248241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7226558.

The product of its (nonzero) digits is 23224320, while the sum is 61.

The spelling of 9728590248241 in words is "nine trillion, seven hundred twenty-eight billion, five hundred ninety million, two hundred forty-eight thousand, two hundred forty-one".