8644417340541 has 64 divisors (see below), whose sum is σ = 12092395560960. Its totient is φ = 5488477885440.

The previous prime is 8644417340459. The next prime is 8644417340567. The reversal of 8644417340541 is 1450437144468.

It is not a de Polignac number, because 8644417340541 - 2¹⁸ = 8644417078397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8644417340591) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 994864725 + ... + 994873413.

It is an arithmetic number, because the mean of its divisors is an integer number (188943680640).

Almost surely, 2^{8644417340541} is an apocalyptic number.

It is an amenable number.

8644417340541 is a deficient number, since it is larger than the sum of its proper divisors (3447978220419).

8644417340541 is a wasteful number, since it uses less digits than its factorization.

8644417340541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10026.

The product of its (nonzero) digits is 5160960, while the sum is 51.

The spelling of 8644417340541 in words is "eight trillion, six hundred forty-four billion, four hundred seventeen million, three hundred forty thousand, five hundred forty-one".