73165447753 has 2 divisors, whose sum is σ = 73165447754. Its totient is φ = 73165447752.

The previous prime is 73165447727. The next prime is 73165447783. The reversal of 73165447753 is 35774456137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41421611529 + 31743836224 = 203523^2 + 178168^2 .

It is a cyclic number.

It is not a de Polignac number, because 73165447753 - 2⁹ = 73165447241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73165447753.

It is not a weakly prime, because it can be changed into another prime (73165447783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36582723876 + 36582723877.

It is an arithmetic number, because the mean of its divisors is an integer number (36582723877).

Almost surely, 2^73165447753 is an apocalyptic number.

It is an amenable number.

73165447753 is a deficient number, since it is larger than the sum of its proper divisors (1).

73165447753 is an equidigital number, since it uses as much as digits as its factorization.

73165447753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7408800, while the sum is 52.

The spelling of 73165447753 in words is "seventy-three billion, one hundred sixty-five million, four hundred forty-seven thousand, seven hundred fifty-three".