9557795598491 has 16 divisors (see below), whose sum is σ = 11045539352064. Its totient is φ = 8101146299904.

The previous prime is 9557795598437. The next prime is 9557795598499. The reversal of 9557795598491 is 1948955977559.

It is not a de Polignac number, because 9557795598491 - 2²⁶ = 9557728489627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9557795598499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20955845 + ... + 21407078.

It is an arithmetic number, because the mean of its divisors is an integer number (690346209504).

Almost surely, 2^{9557795598491} is an apocalyptic number.

9557795598491 is a deficient number, since it is larger than the sum of its proper divisors (1487743753573).

9557795598491 is a wasteful number, since it uses less digits than its factorization.

9557795598491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42363290.

The product of its digits is 6429780000, while the sum is 83.

The spelling of 9557795598491 in words is "nine trillion, five hundred fifty-seven billion, seven hundred ninety-five million, five hundred ninety-eight thousand, four hundred ninety-one".