58208018021 has 2 divisors, whose sum is σ = 58208018022. Its totient is φ = 58208018020.

The previous prime is 58208018009. The next prime is 58208018051. The reversal of 58208018021 is 12081080285.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44136127396 + 14071890625 = 210086^2 + 118625^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-58208018021 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58208018051) 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, 29104009010 + 29104009011.

It is an arithmetic number, because the mean of its divisors is an integer number (29104009011).

Almost surely, 2^58208018021 is an apocalyptic number.

It is an amenable number.

58208018021 is a deficient number, since it is larger than the sum of its proper divisors (1).

58208018021 is an equidigital number, since it uses as much as digits as its factorization.

58208018021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10240, while the sum is 35.

The spelling of 58208018021 in words is "fifty-eight billion, two hundred eight million, eighteen thousand, twenty-one".