10021331445453 has 24 divisors (see below), whose sum is σ = 14560856146200. Its totient is φ = 6641390344320.

The previous prime is 10021331445443. The next prime is 10021331445529. The reversal of 10021331445453 is 35454413312001.

10021331445453 is a `hidden beast` number, since 10 + 0 + 2 + 133 + 14 + 454 + 53 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2508590325609 + 7512741119844 = 1583853^2 + 2740938^2 .

It is not a de Polignac number, because 10021331445453 - 2¹² = 10021331441357 is a prime.

It is a super-2 number, since 2×10021331445453² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021331445443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11443623 + ... + 12288171.

It is an arithmetic number, because the mean of its divisors is an integer number (606702339425).

Almost surely, 2^{10021331445453} is an apocalyptic number.

It is an amenable number.

10021331445453 is a deficient number, since it is larger than the sum of its proper divisors (4539524700747).

10021331445453 is a wasteful number, since it uses less digits than its factorization.

10021331445453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852349 (or 852346 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 10021331445453 its reverse (35454413312001), we get a palindrome (45475744757454).

The spelling of 10021331445453 in words is "ten trillion, twenty-one billion, three hundred thirty-one million, four hundred forty-five thousand, four hundred fifty-three".