45783208661 has 2 divisors, whose sum is σ = 45783208662. Its totient is φ = 45783208660.

The previous prime is 45783208561. The next prime is 45783208687. The reversal of 45783208661 is 16680238754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45738238225 + 44970436 = 213865^2 + 6706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45783208661 is a prime.

It is a super-2 number, since 2×45783208661² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45783208561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22891604330 + 22891604331.

It is an arithmetic number, because the mean of its divisors is an integer number (22891604331).

Almost surely, 2^45783208661 is an apocalyptic number.

It is an amenable number.

45783208661 is a deficient number, since it is larger than the sum of its proper divisors (1).

45783208661 is an equidigital number, since it uses as much as digits as its factorization.

45783208661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 45783208661 in words is "forty-five billion, seven hundred eighty-three million, two hundred eight thousand, six hundred sixty-one".