44954040689 has 2 divisors, whose sum is σ = 44954040690. Its totient is φ = 44954040688.

The previous prime is 44954040683. The next prime is 44954040731. The reversal of 44954040689 is 98604045944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34212791089 + 10741249600 = 184967^2 + 103640^2 .

It is a cyclic number.

It is not a de Polignac number, because 44954040689 - 2²⁸ = 44685605233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44954040689.

It is not a weakly prime, because it can be changed into another prime (44954040683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22477020344 + 22477020345.

It is an arithmetic number, because the mean of its divisors is an integer number (22477020345).

Almost surely, 2^44954040689 is an apocalyptic number.

It is an amenable number.

44954040689 is a deficient number, since it is larger than the sum of its proper divisors (1).

44954040689 is an equidigital number, since it uses as much as digits as its factorization.

44954040689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4976640, while the sum is 53.

The spelling of 44954040689 in words is "forty-four billion, nine hundred fifty-four million, forty thousand, six hundred eighty-nine".