8540749093361 has 2 divisors, whose sum is σ = 8540749093362. Its totient is φ = 8540749093360.

The previous prime is 8540749093319. The next prime is 8540749093367. The reversal of 8540749093361 is 1633909470458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8138610480625 + 402138612736 = 2852825^2 + 634144^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8540749093361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8540749093361.

It is not a weakly prime, because it can be changed into another prime (8540749093367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4270374546680 + 4270374546681.

It is an arithmetic number, because the mean of its divisors is an integer number (4270374546681).

Almost surely, 2^{8540749093361} is an apocalyptic number.

It is an amenable number.

8540749093361 is a deficient number, since it is larger than the sum of its proper divisors (1).

8540749093361 is an equidigital number, since it uses as much as digits as its factorization.

8540749093361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19595520, while the sum is 59.

The spelling of 8540749093361 in words is "eight trillion, five hundred forty billion, seven hundred forty-nine million, ninety-three thousand, three hundred sixty-one".