58997039619821 has 2 divisors, whose sum is σ = 58997039619822. Its totient is φ = 58997039619820.

The previous prime is 58997039619779. The next prime is 58997039619899. The reversal of 58997039619821 is 12891693079985.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33783284650921 + 25213754968900 = 5812339^2 + 5021330^2 .

It is a cyclic number.

It is not a de Polignac number, because 58997039619821 - 2⁶ = 58997039619757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58997039615821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29498519809910 + 29498519809911.

It is an arithmetic number, because the mean of its divisors is an integer number (29498519809911).

Almost surely, 2^{58997039619821} is an apocalyptic number.

It is an amenable number.

58997039619821 is a deficient number, since it is larger than the sum of its proper divisors (1).

58997039619821 is an equidigital number, since it uses as much as digits as its factorization.

58997039619821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 529079040, while the sum is 77.

The spelling of 58997039619821 in words is "fifty-eight trillion, nine hundred ninety-seven billion, thirty-nine million, six hundred nineteen thousand, eight hundred twenty-one".