60640529569 has 2 divisors, whose sum is σ = 60640529570. Its totient is φ = 60640529568.

The previous prime is 60640529513. The next prime is 60640529581. The reversal of 60640529569 is 96592504606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60626750625 + 13778944 = 246225^2 + 3712^2 .

It is a cyclic number.

It is not a de Polignac number, because 60640529569 - 2²⁵ = 60606975137 is a prime.

It is a super-4 number, since 4×60640529569⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (60640521569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30320264784 + 30320264785.

It is an arithmetic number, because the mean of its divisors is an integer number (30320264785).

Almost surely, 2^60640529569 is an apocalyptic number.

It is an amenable number.

60640529569 is a deficient number, since it is larger than the sum of its proper divisors (1).

60640529569 is an equidigital number, since it uses as much as digits as its factorization.

60640529569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3499200, while the sum is 52.

The spelling of 60640529569 in words is "sixty billion, six hundred forty million, five hundred twenty-nine thousand, five hundred sixty-nine".