21030680058 has 8 divisors (see below), whose sum is σ = 42061360128. Its totient is φ = 7010226684.

The previous prime is 21030680057. The next prime is 21030680149. The reversal of 21030680058 is 85008603012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

21030680058 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (21030680057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1752556666 + ... + 1752556677.

It is an arithmetic number, because the mean of its divisors is an integer number (5257670016).

Almost surely, 2^21030680058 is an apocalyptic number.

21030680058 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21030680058 is a wasteful number, since it uses less digits than its factorization.

21030680058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505113348.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 21030680058 in words is "twenty-one billion, thirty million, six hundred eighty thousand, fifty-eight".