58991019985 has 4 divisors (see below), whose sum is σ = 70789223988. Its totient is φ = 47192815984.

The previous prime is 58991019979. The next prime is 58991020001.

58991019985 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45998667729 + 12992352256 = 214473^2 + 113984^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-58991019985 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5899101994 + ... + 5899102003.

It is an arithmetic number, because the mean of its divisors is an integer number (17697305997).

Almost surely, 2^58991019985 is an apocalyptic number.

It is an amenable number.

58991019985 is a deficient number, since it is larger than the sum of its proper divisors (11798204003).

58991019985 is a wasteful number, since it uses less digits than its factorization.

58991019985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11798204002.

The product of its (nonzero) digits is 10497600, while the sum is 64.

The spelling of 58991019985 in words is "fifty-eight billion, nine hundred ninety-one million, nineteen thousand, nine hundred eighty-five".