44668935569 has 2 divisors, whose sum is σ = 44668935570. Its totient is φ = 44668935568.

The previous prime is 44668935557. The next prime is 44668935581. The reversal of 44668935569 is 96553986644.

It is a balanced prime because it is at equal distance from previous prime (44668935557) and next prime (44668935581).

It can be written as a sum of positive squares in only one way, i.e., 40920434944 + 3748500625 = 202288^2 + 61225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44668935569 is a prime.

It is a super-2 number, since 2×44668935569² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44668935529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22334467784 + 22334467785.

It is an arithmetic number, because the mean of its divisors is an integer number (22334467785).

Almost surely, 2^44668935569 is an apocalyptic number.

It is an amenable number.

44668935569 is a deficient number, since it is larger than the sum of its proper divisors (1).

44668935569 is an equidigital number, since it uses as much as digits as its factorization.

44668935569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 167961600, while the sum is 65.

The spelling of 44668935569 in words is "forty-four billion, six hundred sixty-eight million, nine hundred thirty-five thousand, five hundred sixty-nine".