45965644789 has 2 divisors, whose sum is σ = 45965644790. Its totient is φ = 45965644788.

The previous prime is 45965644763. The next prime is 45965644817. The reversal of 45965644789 is 98744656954.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25411548100 + 20554096689 = 159410^2 + 143367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45965644789 is a prime.

It is a super-2 number, since 2×45965644789² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45965644709) 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, 22982822394 + 22982822395.

It is an arithmetic number, because the mean of its divisors is an integer number (22982822395).

Almost surely, 2^45965644789 is an apocalyptic number.

It is an amenable number.

45965644789 is a deficient number, since it is larger than the sum of its proper divisors (1).

45965644789 is an equidigital number, since it uses as much as digits as its factorization.

45965644789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 261273600, while the sum is 67.

The spelling of 45965644789 in words is "forty-five billion, nine hundred sixty-five million, six hundred forty-four thousand, seven hundred eighty-nine".