9541879418873 has 2 divisors, whose sum is σ = 9541879418874. Its totient is φ = 9541879418872.

The previous prime is 9541879418861. The next prime is 9541879418899. The reversal of 9541879418873 is 3788149781459.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6441631813369 + 3100247605504 = 2538037^2 + 1760752^2 .

It is a cyclic number.

It is not a de Polignac number, because 9541879418873 - 2¹⁸ = 9541879156729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9541879418873.

It is not a weakly prime, because it can be changed into another prime (9541879418473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4770939709436 + 4770939709437.

It is an arithmetic number, because the mean of its divisors is an integer number (4770939709437).

Almost surely, 2^{9541879418873} is an apocalyptic number.

It is an amenable number.

9541879418873 is a deficient number, since it is larger than the sum of its proper divisors (1).

9541879418873 is an equidigital number, since it uses as much as digits as its factorization.

9541879418873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 487710720, while the sum is 74.

The spelling of 9541879418873 in words is "nine trillion, five hundred forty-one billion, eight hundred seventy-nine million, four hundred eighteen thousand, eight hundred seventy-three".