21010624058 has 8 divisors (see below), whose sum is σ = 31675916052. Its totient is φ = 10451985376.

The previous prime is 21010624049. The next prime is 21010624069. The reversal of 21010624058 is 85042601012.

It can be written as a sum of positive squares in 2 ways, for example, as 20798543089 + 212080969 = 144217^2 + 14563^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 21010624058.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 26662835 + ... + 26663622.

Almost surely, 2^21010624058 is an apocalyptic number.

21010624058 is a deficient number, since it is larger than the sum of its proper divisors (10665291994).

21010624058 is a wasteful number, since it uses less digits than its factorization.

21010624058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53326656.

The product of its (nonzero) digits is 3840, while the sum is 29.

The spelling of 21010624058 in words is "twenty-one billion, ten million, six hundred twenty-four thousand, fifty-eight".