73713285553 has 2 divisors, whose sum is σ = 73713285554. Its totient is φ = 73713285552.

The previous prime is 73713285521. The next prime is 73713285599. The reversal of 73713285553 is 35558231737.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73122649744 + 590635809 = 270412^2 + 24303^2 .

It is a cyclic number.

It is not a de Polignac number, because 73713285553 - 2⁵ = 73713285521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73713285497 and 73713285506.

It is not a weakly prime, because it can be changed into another prime (73713285053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36856642776 + 36856642777.

It is an arithmetic number, because the mean of its divisors is an integer number (36856642777).

Almost surely, 2^73713285553 is an apocalyptic number.

It is an amenable number.

73713285553 is a deficient number, since it is larger than the sum of its proper divisors (1).

73713285553 is an equidigital number, since it uses as much as digits as its factorization.

73713285553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2646000, while the sum is 49.

The spelling of 73713285553 in words is "seventy-three billion, seven hundred thirteen million, two hundred eighty-five thousand, five hundred fifty-three".