21414722065313 has 2 divisors, whose sum is σ = 21414722065314. Its totient is φ = 21414722065312.

The previous prime is 21414722065229. The next prime is 21414722065337. The reversal of 21414722065313 is 31356022741412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20545115459584 + 869606605729 = 4532672^2 + 932527^2 .

It is a cyclic number.

It is not a de Polignac number, because 21414722065313 - 2¹⁶ = 21414721999777 is a prime.

It is a super-2 number, since 2×21414722065313² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21414722095313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10707361032656 + 10707361032657.

It is an arithmetic number, because the mean of its divisors is an integer number (10707361032657).

Almost surely, 2^{21414722065313} is an apocalyptic number.

It is an amenable number.

21414722065313 is a deficient number, since it is larger than the sum of its proper divisors (1).

21414722065313 is an equidigital number, since it uses as much as digits as its factorization.

21414722065313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 21414722065313 in words is "twenty-one trillion, four hundred fourteen billion, seven hundred twenty-two million, sixty-five thousand, three hundred thirteen".