73555493099723 has 2 divisors, whose sum is σ = 73555493099724. Its totient is φ = 73555493099722.

The previous prime is 73555493099687. The next prime is 73555493099779. The reversal of 73555493099723 is 32799039455537.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 73555493099723 - 2¹⁰ = 73555493098699 is a prime.

It is not a weakly prime, because it can be changed into another prime (73555493009723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36777746549861 + 36777746549862.

It is an arithmetic number, because the mean of its divisors is an integer number (36777746549862).

Almost surely, 2^{73555493099723} is an apocalyptic number.

73555493099723 is a deficient number, since it is larger than the sum of its proper divisors (1).

73555493099723 is an equidigital number, since it uses as much as digits as its factorization.

73555493099723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 964467000, while the sum is 71.

The spelling of 73555493099723 in words is "seventy-three trillion, five hundred fifty-five billion, four hundred ninety-three million, ninety-nine thousand, seven hundred twenty-three".