10219638021 has 32 divisors (see below), whose sum is σ = 14175033600. Its totient is φ = 6543783936.

The previous prime is 10219637999. The next prime is 10219638031. The reversal of 10219638021 is 12083691201.

10219638021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10219638021 - 2¹¹ = 10219635973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10219638031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5242555 + ... + 5244503.

It is an arithmetic number, because the mean of its divisors is an integer number (442969800).

Almost surely, 2^10219638021 is an apocalyptic number.

It is an amenable number.

10219638021 is a deficient number, since it is larger than the sum of its proper divisors (3955395579).

10219638021 is a wasteful number, since it uses less digits than its factorization.

10219638021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573.

The product of its (nonzero) digits is 5184, while the sum is 33.

The spelling of 10219638021 in words is "ten billion, two hundred nineteen million, six hundred thirty-eight thousand, twenty-one".