21276583327373 has 32 divisors (see below), whose sum is σ = 23972823244800. Its totient is φ = 18717842145600.

The previous prime is 21276583327343. The next prime is 21276583327387. The reversal of 21276583327373 is 37372338567212.

It is a cyclic number.

It is not a de Polignac number, because 21276583327373 - 2¹⁴ = 21276583310989 is a prime.

It is a super-2 number, since 2×21276583327373² (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 (21276583327343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44483468 + ... + 44959226.

It is an arithmetic number, because the mean of its divisors is an integer number (749150726400).

Almost surely, 2^{21276583327373} is an apocalyptic number.

It is an amenable number.

21276583327373 is a deficient number, since it is larger than the sum of its proper divisors (2696239917427).

21276583327373 is a wasteful number, since it uses less digits than its factorization.

21276583327373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476873.

The product of its digits is 53343360, while the sum is 59.

The spelling of 21276583327373 in words is "twenty-one trillion, two hundred seventy-six billion, five hundred eighty-three million, three hundred twenty-seven thousand, three hundred seventy-three".