21472733333041 has 2 divisors, whose sum is σ = 21472733333042. Its totient is φ = 21472733333040.

The previous prime is 21472733332993. The next prime is 21472733333047. The reversal of 21472733333041 is 14033333727412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13351686768016 + 8121046565025 = 3653996^2 + 2849745^2 .

It is a cyclic number.

It is not a de Polignac number, because 21472733333041 - 2³⁷ = 21335294379569 is a prime.

It is a super-2 number, since 2×21472733333041² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21472733333047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10736366666520 + 10736366666521.

It is an arithmetic number, because the mean of its divisors is an integer number (10736366666521).

Almost surely, 2^{21472733333041} is an apocalyptic number.

It is an amenable number.

21472733333041 is a deficient number, since it is larger than the sum of its proper divisors (1).

21472733333041 is an equidigital number, since it uses as much as digits as its factorization.

21472733333041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 43.

The spelling of 21472733333041 in words is "twenty-one trillion, four hundred seventy-two billion, seven hundred thirty-three million, three hundred thirty-three thousand, forty-one".