21273883339238 has 16 divisors (see below), whose sum is σ = 32368527965760. Its totient is φ = 10484822088000.

The previous prime is 21273883339147. The next prime is 21273883339243. The reversal of 21273883339238 is 83293338837212.

It is a super-2 number, since 2×21273883339238² (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 7 ways as a sum of consecutive naturals, for example, 111922373 + ... + 112112288.

It is an arithmetic number, because the mean of its divisors is an integer number (2023032997860).

Almost surely, 2^{21273883339238} is an apocalyptic number.

21273883339238 is a deficient number, since it is larger than the sum of its proper divisors (11094644626522).

21273883339238 is a wasteful number, since it uses less digits than its factorization.

21273883339238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224035343.

The product of its digits is 62705664, while the sum is 62.

The spelling of 21273883339238 in words is "twenty-one trillion, two hundred seventy-three billion, eight hundred eighty-three million, three hundred thirty-nine thousand, two hundred thirty-eight".