3518741081773 has 2 divisors, whose sum is σ = 3518741081774. Its totient is φ = 3518741081772.

The previous prime is 3518741081749. The next prime is 3518741081809. The reversal of 3518741081773 is 3771801478153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1781042386249 + 1737698695524 = 1334557^2 + 1318218^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3518741081773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3518741081573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1759370540886 + 1759370540887.

It is an arithmetic number, because the mean of its divisors is an integer number (1759370540887).

Almost surely, 2^{3518741081773} is an apocalyptic number.

It is an amenable number.

3518741081773 is a deficient number, since it is larger than the sum of its proper divisors (1).

3518741081773 is an equidigital number, since it uses as much as digits as its factorization.

3518741081773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3951360, while the sum is 55.

The spelling of 3518741081773 in words is "three trillion, five hundred eighteen billion, seven hundred forty-one million, eighty-one thousand, seven hundred seventy-three".