9996826541 has 8 divisors (see below), whose sum is σ = 10767513624. Its totient is φ = 9226382400.

The previous prime is 9996826507. The next prime is 9996826561. The reversal of 9996826541 is 1456286999.

9996826541 = 19596² + 19597² + ... + 19621².

It can be written as a sum of positive squares in 4 ways, for example, as 385965316 + 9610861225 = 19646^2 + 98035^2 .

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 9996826541 - 2¹⁸ = 9996564397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9996826501) 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, 29735 + ... + 144491.

It is an arithmetic number, because the mean of its divisors is an integer number (1345939203).

Almost surely, 2^9996826541 is an apocalyptic number.

It is an amenable number.

9996826541 is a deficient number, since it is larger than the sum of its proper divisors (770687083).

9996826541 is a wasteful number, since it uses less digits than its factorization.

9996826541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121471.

The product of its digits is 8398080, while the sum is 59.

The square root of 9996826541 is about 99984.1314459450. The cubic root of 9996826541 is about 2154.2067655813.

The spelling of 9996826541 in words is "nine billion, nine hundred ninety-six million, eight hundred twenty-six thousand, five hundred forty-one".