21382331529692 has 48 divisors (see below), whose sum is σ = 44739782535168. Its totient is φ = 8750127492480.

The previous prime is 21382331529619. The next prime is 21382331529707. The reversal of 21382331529692 is 29692513328312.

It is a super-2 number, since 2×21382331529692² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198092048 + ... + 198199959.

It is an arithmetic number, because the mean of its divisors is an integer number (932078802816).

Almost surely, 2^{21382331529692} is an apocalyptic number.

It is an amenable number.

21382331529692 is an abundant number, since it is smaller than the sum of its proper divisors (23357451005476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21382331529692 is a wasteful number, since it uses less digits than its factorization.

21382331529692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396292106 (or 396292104 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 56.

The spelling of 21382331529692 in words is "twenty-one trillion, three hundred eighty-two billion, three hundred thirty-one million, five hundred twenty-nine thousand, six hundred ninety-two".