10005663533 has 4 divisors (see below), whose sum is σ = 10041785340. Its totient is φ = 9969541728.

The previous prime is 10005663523. The next prime is 10005663589. The reversal of 10005663533 is 33536650001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6697458244 + 3308205289 = 81838^2 + 57517^2 .

It is a cyclic number.

It is not a de Polignac number, because 10005663533 - 2⁴ = 10005663517 is a prime.

It is a super-2 number, since 2×10005663533² (a number of 21 digits) contains 22 as substring.

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 10005663533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10005663523) 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, 18060488 + ... + 18061041.

It is an arithmetic number, because the mean of its divisors is an integer number (2510446335).

Almost surely, 2^10005663533 is an apocalyptic number.

It is an amenable number.

10005663533 is a deficient number, since it is larger than the sum of its proper divisors (36121807).

10005663533 is an equidigital number, since it uses as much as digits as its factorization.

10005663533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36121806.

The product of its (nonzero) digits is 24300, while the sum is 32.

The spelling of 10005663533 in words is "ten billion, five million, six hundred sixty-three thousand, five hundred thirty-three".