60643683365 has 4 divisors (see below), whose sum is σ = 72772420044. Its totient is φ = 48514946688.

The previous prime is 60643683349. The next prime is 60643683433. The reversal of 60643683365 is 56338634606.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37884340321 + 22759343044 = 194639^2 + 150862^2 .

It is a cyclic number.

It is not a de Polignac number, because 60643683365 - 2⁴ = 60643683349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 6064368332 + ... + 6064368341.

It is an arithmetic number, because the mean of its divisors is an integer number (18193105011).

Almost surely, 2^60643683365 is an apocalyptic number.

It is an amenable number.

60643683365 is a deficient number, since it is larger than the sum of its proper divisors (12128736679).

60643683365 is a wasteful number, since it uses less digits than its factorization.

60643683365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12128736678.

The product of its (nonzero) digits is 5598720, while the sum is 50.

The spelling of 60643683365 in words is "sixty billion, six hundred forty-three million, six hundred eighty-three thousand, three hundred sixty-five".