2660736773 has 2 divisors, whose sum is σ = 2660736774. Its totient is φ = 2660736772.

The previous prime is 2660736751. The next prime is 2660736781. The reversal of 2660736773 is 3776370662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2501800324 + 158936449 = 50018^2 + 12607^2 .

It is a cyclic number.

It is not a de Polignac number, because 2660736773 - 2⁶ = 2660736709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2660736073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330368386 + 1330368387.

It is an arithmetic number, because the mean of its divisors is an integer number (1330368387).

Almost surely, 2^2660736773 is an apocalyptic number.

It is an amenable number.

2660736773 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660736773 is an equidigital number, since it uses as much as digits as its factorization.

2660736773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 47.

The square root of 2660736773 is about 51582.3300462474. The cubic root of 2660736773 is about 1385.6938961917.

The spelling of 2660736773 in words is "two billion, six hundred sixty million, seven hundred thirty-six thousand, seven hundred seventy-three".