21626510130533 has 32 divisors (see below), whose sum is σ = 27207412826880. Its totient is φ = 16699594728960.

The previous prime is 21626510130521. The next prime is 21626510130551. The reversal of 21626510130533 is 33503101562612.

It is not a de Polignac number, because 21626510130533 - 2⁶ = 21626510130469 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21626510130233) 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 31 ways as a sum of consecutive naturals, for example, 2111153 + ... + 6907241.

It is an arithmetic number, because the mean of its divisors is an integer number (850231650840).

Almost surely, 2^{21626510130533} is an apocalyptic number.

It is an amenable number.

21626510130533 is a deficient number, since it is larger than the sum of its proper divisors (5580902696347).

21626510130533 is a wasteful number, since it uses less digits than its factorization.

21626510130533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4796637.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 21626510130533 in words is "twenty-one trillion, six hundred twenty-six billion, five hundred ten million, one hundred thirty thousand, five hundred thirty-three".