21832505479303 has 4 divisors (see below), whose sum is σ = 21849846628680. Its totient is φ = 21815164329928.

The previous prime is 21832505479297. The next prime is 21832505479313. The reversal of 21832505479303 is 30397450523812.

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

It is a cyclic number.

It is not a de Polignac number, because 21832505479303 - 2¹³ = 21832505471111 is a prime.

It is a super-2 number, since 2×21832505479303² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21832505479313) 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, 8670572800 + ... + 8670575317.

It is an arithmetic number, because the mean of its divisors is an integer number (5462461657170).

Almost surely, 2^{21832505479303} is an apocalyptic number.

21832505479303 is a deficient number, since it is larger than the sum of its proper divisors (17341149377).

21832505479303 is a wasteful number, since it uses less digits than its factorization.

21832505479303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17341149376.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 21832505479303 in words is "twenty-one trillion, eight hundred thirty-two billion, five hundred five million, four hundred seventy-nine thousand, three hundred three".