82633705669 has 2 divisors, whose sum is σ = 82633705670. Its totient is φ = 82633705668.

The previous prime is 82633705549. The next prime is 82633705673. The reversal of 82633705669 is 96650733628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82390813444 + 242892225 = 287038^2 + 15585^2 .

It is a cyclic number.

It is not a de Polignac number, because 82633705669 - 2¹³ = 82633697477 is a prime.

It is a super-2 number, since 2×82633705669² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82633705769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41316852834 + 41316852835.

It is an arithmetic number, because the mean of its divisors is an integer number (41316852835).

Almost surely, 2^82633705669 is an apocalyptic number.

It is an amenable number.

82633705669 is a deficient number, since it is larger than the sum of its proper divisors (1).

82633705669 is an equidigital number, since it uses as much as digits as its factorization.

82633705669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 82633705669 in words is "eighty-two billion, six hundred thirty-three million, seven hundred five thousand, six hundred sixty-nine".