945527654569 has 2 divisors, whose sum is σ = 945527654570. Its totient is φ = 945527654568.

The previous prime is 945527654531. The next prime is 945527654629. The reversal of 945527654569 is 965456725549.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 885127219344 + 60400435225 = 940812^2 + 245765^2 .

It is a cyclic number.

It is not a de Polignac number, because 945527654569 - 2⁷ = 945527654441 is a prime.

It is a super-2 number, since 2×945527654569² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (945527654969) 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, 472763827284 + 472763827285.

It is an arithmetic number, because the mean of its divisors is an integer number (472763827285).

Almost surely, 2^945527654569 is an apocalyptic number.

It is an amenable number.

945527654569 is a deficient number, since it is larger than the sum of its proper divisors (1).

945527654569 is an equidigital number, since it uses as much as digits as its factorization.

945527654569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240000, while the sum is 67.

The spelling of 945527654569 in words is "nine hundred forty-five billion, five hundred twenty-seven million, six hundred fifty-four thousand, five hundred sixty-nine".