45505045489 has 2 divisors, whose sum is σ = 45505045490. Its totient is φ = 45505045488.

The previous prime is 45505045427. The next prime is 45505045501. The reversal of 45505045489 is 98454050554.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24390630625 + 21114414864 = 156175^2 + 145308^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45505045489 is a prime.

It is not a weakly prime, because it can be changed into another prime (45505043489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22752522744 + 22752522745.

It is an arithmetic number, because the mean of its divisors is an integer number (22752522745).

Almost surely, 2^45505045489 is an apocalyptic number.

It is an amenable number.

45505045489 is a deficient number, since it is larger than the sum of its proper divisors (1).

45505045489 is an equidigital number, since it uses as much as digits as its factorization.

45505045489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880000, while the sum is 49.

The spelling of 45505045489 in words is "forty-five billion, five hundred five million, forty-five thousand, four hundred eighty-nine".