58545421817 has 2 divisors, whose sum is σ = 58545421818. Its totient is φ = 58545421816.

The previous prime is 58545421813. The next prime is 58545421841. The reversal of 58545421817 is 71812454585.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46502334736 + 12043087081 = 215644^2 + 109741^2 .

It is a cyclic number.

It is not a de Polignac number, because 58545421817 - 2² = 58545421813 is a prime.

It is not a weakly prime, because it can be changed into another prime (58545421811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29272710908 + 29272710909.

It is an arithmetic number, because the mean of its divisors is an integer number (29272710909).

Almost surely, 2^58545421817 is an apocalyptic number.

It is an amenable number.

58545421817 is a deficient number, since it is larger than the sum of its proper divisors (1).

58545421817 is an equidigital number, since it uses as much as digits as its factorization.

58545421817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1792000, while the sum is 50.

The spelling of 58545421817 in words is "fifty-eight billion, five hundred forty-five million, four hundred twenty-one thousand, eight hundred seventeen".