45505883578873 has 2 divisors, whose sum is σ = 45505883578874. Its totient is φ = 45505883578872.

The previous prime is 45505883578847. The next prime is 45505883578919. The reversal of 45505883578873 is 37887538850554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25262606020864 + 20243277558009 = 5026192^2 + 4499253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45505883578873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45505883578873.

It is not a weakly prime, because it can be changed into another prime (45505883588873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22752941789436 + 22752941789437.

It is an arithmetic number, because the mean of its divisors is an integer number (22752941789437).

Almost surely, 2^{45505883578873} is an apocalyptic number.

It is an amenable number.

45505883578873 is a deficient number, since it is larger than the sum of its proper divisors (1).

45505883578873 is an equidigital number, since it uses as much as digits as its factorization.

45505883578873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4515840000, while the sum is 76.

The spelling of 45505883578873 in words is "forty-five trillion, five hundred five billion, eight hundred eighty-three million, five hundred seventy-eight thousand, eight hundred seventy-three".