82344729629 has 2 divisors, whose sum is σ = 82344729630. Its totient is φ = 82344729628.

The previous prime is 82344729587. The next prime is 82344729647. The reversal of 82344729629 is 92692744328.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43733265625 + 38611464004 = 209125^2 + 196498^2 .

It is a cyclic number.

It is not a de Polignac number, because 82344729629 - 2⁸ = 82344729373 is a prime.

It is a super-2 number, since 2×82344729629² (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 (82344729689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41172364814 + 41172364815.

It is an arithmetic number, because the mean of its divisors is an integer number (41172364815).

Almost surely, 2^82344729629 is an apocalyptic number.

It is an amenable number.

82344729629 is a deficient number, since it is larger than the sum of its proper divisors (1).

82344729629 is an equidigital number, since it uses as much as digits as its factorization.

82344729629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 56.

The spelling of 82344729629 in words is "eighty-two billion, three hundred forty-four million, seven hundred twenty-nine thousand, six hundred twenty-nine".