21362246533 has 4 divisors (see below), whose sum is σ = 21859043008. Its totient is φ = 20865450060.

The previous prime is 21362246527. The next prime is 21362246561. The reversal of 21362246533 is 33564226312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21362246533 - 2³³ = 12772311941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21362246492 and 21362246501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21362246033) 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, 248398173 + ... + 248398258.

It is an arithmetic number, because the mean of its divisors is an integer number (5464760752).

Almost surely, 2^21362246533 is an apocalyptic number.

It is an amenable number.

21362246533 is a deficient number, since it is larger than the sum of its proper divisors (496796475).

21362246533 is an equidigital number, since it uses as much as digits as its factorization.

21362246533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496796474.

The product of its digits is 155520, while the sum is 37.

The spelling of 21362246533 in words is "twenty-one billion, three hundred sixty-two million, two hundred forty-six thousand, five hundred thirty-three".