22016602472693 has 2 divisors, whose sum is σ = 22016602472694. Its totient is φ = 22016602472692.

The previous prime is 22016602472681. The next prime is 22016602472707. The reversal of 22016602472693 is 39627420661022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21167149003729 + 849453468964 = 4600777^2 + 921658^2 .

It is a cyclic number.

It is not a de Polignac number, because 22016602472693 - 2¹⁸ = 22016602210549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22016602472603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11008301236346 + 11008301236347.

It is an arithmetic number, because the mean of its divisors is an integer number (11008301236347).

Almost surely, 2^{22016602472693} is an apocalyptic number.

It is an amenable number.

22016602472693 is a deficient number, since it is larger than the sum of its proper divisors (1).

22016602472693 is an equidigital number, since it uses as much as digits as its factorization.

22016602472693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 22016602472693 in words is "twenty-two trillion, sixteen billion, six hundred two million, four hundred seventy-two thousand, six hundred ninety-three".