21329573462783 has 8 divisors (see below), whose sum is σ = 21483134279040. Its totient is φ = 21176014227480.

The previous prime is 21329573462777. The next prime is 21329573462789. The reversal of 21329573462783 is 38726437592312.

It is an interprime number because it is at equal distance from previous prime (21329573462777) and next prime (21329573462789).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21329573462783 - 2⁴ = 21329573462767 is a prime.

It is a super-2 number, since 2×21329573462783² (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 (21329573462789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47471048 + ... + 47918258.

It is an arithmetic number, because the mean of its divisors is an integer number (2685391784880).

Almost surely, 2^{21329573462783} is an apocalyptic number.

21329573462783 is a deficient number, since it is larger than the sum of its proper divisors (153560816257).

21329573462783 is a wasteful number, since it uses less digits than its factorization.

21329573462783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790477.

The product of its digits is 91445760, while the sum is 62.

The spelling of 21329573462783 in words is "twenty-one trillion, three hundred twenty-nine billion, five hundred seventy-three million, four hundred sixty-two thousand, seven hundred eighty-three".