65720082829 has 2 divisors, whose sum is σ = 65720082830. Its totient is φ = 65720082828.

The previous prime is 65720082793. The next prime is 65720082913. The reversal of 65720082829 is 92828002756.

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., 35800424100 + 29919658729 = 189210^2 + 172973^2 .

It is a cyclic number.

It is not a de Polignac number, because 65720082829 - 2¹⁵ = 65720050061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65720082229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32860041414 + 32860041415.

It is an arithmetic number, because the mean of its divisors is an integer number (32860041415).

Almost surely, 2^65720082829 is an apocalyptic number.

It is an amenable number.

65720082829 is a deficient number, since it is larger than the sum of its proper divisors (1).

65720082829 is an equidigital number, since it uses as much as digits as its factorization.

65720082829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 65720082829 in words is "sixty-five billion, seven hundred twenty million, eighty-two thousand, eight hundred twenty-nine".