8735435489273 has 6 divisors (see below), whose sum is σ = 8925250296186. Its totient is φ = 8549575157552.

The previous prime is 8735435489203. The next prime is 8735435489353. The reversal of 8735435489273 is 3729845345378.

It can be written as a sum of positive squares in only one way, i.e., 8617588838329 + 117846650944 = 2935573^2 + 343288^2 .

It is not a de Polignac number, because 8735435489273 - 2⁸ = 8735435489017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8735435489203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1977235340 + ... + 1977239757.

It is an arithmetic number, because the mean of its divisors is an integer number (1487541716031).

Almost surely, 2^{8735435489273} is an apocalyptic number.

It is an amenable number.

8735435489273 is a deficient number, since it is larger than the sum of its proper divisors (189814806913).

8735435489273 is an equidigital number, since it uses as much as digits as its factorization.

8735435489273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3954475191 (or 3954475144 counting only the distinct ones).

The product of its digits is 609638400, while the sum is 68.

The spelling of 8735435489273 in words is "eight trillion, seven hundred thirty-five billion, four hundred thirty-five million, four hundred eighty-nine thousand, two hundred seventy-three".