2065577660473 has 2 divisors, whose sum is σ = 2065577660474. Its totient is φ = 2065577660472.

The previous prime is 2065577660449. The next prime is 2065577660477. The reversal of 2065577660473 is 3740667755602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2036591576464 + 28986084009 = 1427092^2 + 170253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2065577660473 is a prime.

It is a super-2 number, since 2×2065577660473² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2065577660477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032788830236 + 1032788830237.

It is an arithmetic number, because the mean of its divisors is an integer number (1032788830237).

Almost surely, 2^{2065577660473} is an apocalyptic number.

It is an amenable number.

2065577660473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2065577660473 is an equidigital number, since it uses as much as digits as its factorization.

2065577660473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44452800, while the sum is 58.

The spelling of 2065577660473 in words is "two trillion, sixty-five billion, five hundred seventy-seven million, six hundred sixty thousand, four hundred seventy-three".