9041641865 has 8 divisors (see below), whose sum is σ = 10863063240. Its totient is φ = 7224584832.

The previous prime is 9041641783. The next prime is 9041641871. The reversal of 9041641865 is 5681461409.

It can be written as a sum of positive squares in 4 ways, for example, as 647600704 + 8394041161 = 25448^2 + 91619^2 .

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 9041641865 - 2¹⁶ = 9041576329 is a prime.

It is a super-2 number, since 2×9041641865² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086524 + ... + 1094813.

It is an arithmetic number, because the mean of its divisors is an integer number (1357882905).

Almost surely, 2^9041641865 is an apocalyptic number.

It is an amenable number.

9041641865 is a deficient number, since it is larger than the sum of its proper divisors (1821421375).

9041641865 is a wasteful number, since it uses less digits than its factorization.

9041641865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182171.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 9041641865 is about 95087.5484224933. The cubic root of 9041641865 is about 2083.2869830897.

The spelling of 9041641865 in words is "nine billion, forty-one million, six hundred forty-one thousand, eight hundred sixty-five".