58538899021 has 2 divisors, whose sum is σ = 58538899022. Its totient is φ = 58538899020.

The previous prime is 58538899019. The next prime is 58538899093. The reversal of 58538899021 is 12099883585.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53031181225 + 5507717796 = 230285^2 + 74214^2 .

It is a cyclic number.

It is not a de Polignac number, because 58538899021 - 2¹ = 58538899019 is a prime.

Together with 58538899019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58538899921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29269449510 + 29269449511.

It is an arithmetic number, because the mean of its divisors is an integer number (29269449511).

Almost surely, 2^58538899021 is an apocalyptic number.

It is an amenable number.

58538899021 is a deficient number, since it is larger than the sum of its proper divisors (1).

58538899021 is an equidigital number, since it uses as much as digits as its factorization.

58538899021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6220800, while the sum is 58.

The spelling of 58538899021 in words is "fifty-eight billion, five hundred thirty-eight million, eight hundred ninety-nine thousand, twenty-one".