82430473661 has 2 divisors, whose sum is σ = 82430473662. Its totient is φ = 82430473660.

The previous prime is 82430473583. The next prime is 82430473669. The reversal of 82430473661 is 16637403428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56801665561 + 25628808100 = 238331^2 + 160090^2 .

It is a cyclic number.

It is not a de Polignac number, because 82430473661 - 2³⁰ = 81356731837 is a prime.

It is a super-5 number, since 5×82430473661⁵ (a number of 56 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82430473669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41215236830 + 41215236831.

It is an arithmetic number, because the mean of its divisors is an integer number (41215236831).

Almost surely, 2^82430473661 is an apocalyptic number.

It is an amenable number.

82430473661 is a deficient number, since it is larger than the sum of its proper divisors (1).

82430473661 is an equidigital number, since it uses as much as digits as its factorization.

82430473661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 82430473661 in words is "eighty-two billion, four hundred thirty million, four hundred seventy-three thousand, six hundred sixty-one".