9906044541 has 8 divisors (see below), whose sum is σ = 13209079680. Its totient is φ = 6603519552.

The previous prime is 9906044539. The next prime is 9906044569. The reversal of 9906044541 is 1454406099.

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

It is not a de Polignac number, because 9906044541 - 2¹ = 9906044539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9906044493 and 9906044502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9906044641) 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, 79660 + ... + 161733.

It is an arithmetic number, because the mean of its divisors is an integer number (1651134960).

Almost surely, 2^9906044541 is an apocalyptic number.

It is an amenable number.

9906044541 is a deficient number, since it is larger than the sum of its proper divisors (3303035139).

9906044541 is a wasteful number, since it uses less digits than its factorization.

9906044541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255075.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 9906044541 is about 99529.1140370495. The cubic root of 9906044541 is about 2147.6660839737. Note that the first 3 decimals are identical.

The spelling of 9906044541 in words is "nine billion, nine hundred six million, forty-four thousand, five hundred forty-one".