7743777045713 has 2 divisors, whose sum is σ = 7743777045714. Its totient is φ = 7743777045712.

The previous prime is 7743777045581. The next prime is 7743777045773. The reversal of 7743777045713 is 3175407773477.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7023946974529 + 719830071184 = 2650273^2 + 848428^2 .

It is an emirp because it is prime and its reverse (3175407773477) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7743777045713 is a prime.

It is not a weakly prime, because it can be changed into another prime (7743777045773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3871888522856 + 3871888522857.

It is an arithmetic number, because the mean of its divisors is an integer number (3871888522857).

Almost surely, 2^{7743777045713} is an apocalyptic number.

It is an amenable number.

7743777045713 is a deficient number, since it is larger than the sum of its proper divisors (1).

7743777045713 is an equidigital number, since it uses as much as digits as its factorization.

7743777045713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84707280, while the sum is 62.

The spelling of 7743777045713 in words is "seven trillion, seven hundred forty-three billion, seven hundred seventy-seven million, forty-five thousand, seven hundred thirteen".