60640529539 has 4 divisors (see below), whose sum is σ = 62050774456. Its totient is φ = 59230284624.

The previous prime is 60640529513. The next prime is 60640529569. The reversal of 60640529539 is 93592504606.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 60640529539 - 2¹⁵ = 60640496771 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 60640529492 and 60640529501.

It is not an unprimeable number, because it can be changed into a prime (60640529569) 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 in 3 ways as a sum of consecutive naturals, for example, 705122394 + ... + 705122479.

It is an arithmetic number, because the mean of its divisors is an integer number (15512693614).

Almost surely, 2^60640529539 is an apocalyptic number.

60640529539 is a deficient number, since it is larger than the sum of its proper divisors (1410244917).

60640529539 is a wasteful number, since it uses less digits than its factorization.

60640529539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410244916.

The product of its (nonzero) digits is 1749600, while the sum is 49.

The spelling of 60640529539 in words is "sixty billion, six hundred forty million, five hundred twenty-nine thousand, five hundred thirty-nine".