9581333375413 has 8 divisors (see below), whose sum is σ = 9697065231168. Its totient is φ = 9465608522304.

The previous prime is 9581333375407. The next prime is 9581333375429. The reversal of 9581333375413 is 3145733331859.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9581333375413 - 2²¹ = 9581331278261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9581333375443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1028845 + ... + 4496797.

It is an arithmetic number, because the mean of its divisors is an integer number (1212133153896).

Almost surely, 2^{9581333375413} is an apocalyptic number.

It is an amenable number.

9581333375413 is a deficient number, since it is larger than the sum of its proper divisors (115731855755).

9581333375413 is a wasteful number, since it uses less digits than its factorization.

9581333375413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501323.

The product of its digits is 12247200, while the sum is 55.

The spelling of 9581333375413 in words is "nine trillion, five hundred eighty-one billion, three hundred thirty-three million, three hundred seventy-five thousand, four hundred thirteen".