65610328229 has 2 divisors, whose sum is σ = 65610328230. Its totient is φ = 65610328228.

The previous prime is 65610328171. The next prime is 65610328237. The reversal of 65610328229 is 92282301656.

65610328229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64402765729 + 1207562500 = 253777^2 + 34750^2 .

It is a cyclic number.

It is not a de Polignac number, because 65610328229 - 2⁸ = 65610327973 is a prime.

It is a super-2 number, since 2×65610328229² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65610328229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65610328529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32805164114 + 32805164115.

It is an arithmetic number, because the mean of its divisors is an integer number (32805164115).

Almost surely, 2^65610328229 is an apocalyptic number.

It is an amenable number.

65610328229 is a deficient number, since it is larger than the sum of its proper divisors (1).

65610328229 is an equidigital number, since it uses as much as digits as its factorization.

65610328229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 65610328229 in words is "sixty-five billion, six hundred ten million, three hundred twenty-eight thousand, two hundred twenty-nine".