10010447821 has 8 divisors (see below), whose sum is σ = 11033072064. Its totient is φ = 9006587520.

The previous prime is 10010447753. The next prime is 10010447873. The reversal of 10010447821 is 12874401001.

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

It is a cyclic number.

It is not a de Polignac number, because 10010447821 - 2²¹ = 10008350669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10010447821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010447221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4689865 + ... + 4691998.

It is an arithmetic number, because the mean of its divisors is an integer number (1379134008).

Almost surely, 2^10010447821 is an apocalyptic number.

10010447821 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10010447821 is a deficient number, since it is larger than the sum of its proper divisors (1022624243).

10010447821 is an equidigital number, since it uses as much as digits as its factorization.

10010447821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9381971.

The product of its (nonzero) digits is 1792, while the sum is 28.

Adding to 10010447821 its reverse (12874401001), we get a palindrome (22884848822).

The spelling of 10010447821 in words is "ten billion, ten million, four hundred forty-seven thousand, eight hundred twenty-one".