21732093452 has 6 divisors (see below), whose sum is σ = 38031163548. Its totient is φ = 10866046724.

The previous prime is 21732093407. The next prime is 21732093479. The reversal of 21732093452 is 25439023712.

It is a super-2 number, since 2×21732093452² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2716511678 + ... + 2716511685.

It is an arithmetic number, because the mean of its divisors is an integer number (6338527258).

Almost surely, 2^21732093452 is an apocalyptic number.

It is an amenable number.

21732093452 is a deficient number, since it is larger than the sum of its proper divisors (16299070096).

21732093452 is a wasteful number, since it uses less digits than its factorization.

21732093452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5433023367 (or 5433023365 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 21732093452 in words is "twenty-one billion, seven hundred thirty-two million, ninety-three thousand, four hundred fifty-two".