82633705709 has 2 divisors, whose sum is σ = 82633705710. Its totient is φ = 82633705708.

The previous prime is 82633705673. The next prime is 82633705729. The reversal of 82633705709 is 90750733628.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44235343684 + 38398362025 = 210322^2 + 195955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82633705709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82633705729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41316852854 + 41316852855.

It is an arithmetic number, because the mean of its divisors is an integer number (41316852855).

Almost surely, 2^82633705709 is an apocalyptic number.

It is an amenable number.

82633705709 is a deficient number, since it is larger than the sum of its proper divisors (1).

82633705709 is an equidigital number, since it uses as much as digits as its factorization.

82633705709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 82633705709 in words is "eighty-two billion, six hundred thirty-three million, seven hundred five thousand, seven hundred nine".