3652685727969 has 4 divisors (see below), whose sum is σ = 4870247637296. Its totient is φ = 2435123818644.

The previous prime is 3652685727947. The next prime is 3652685728019. The reversal of 3652685727969 is 9697275862563.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3652685727969 - 2¹⁵ = 3652685695201 is a prime.

It is a super-2 number, since 2×3652685727969² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3652685727969.

It is not an unprimeable number, because it can be changed into a prime (3652685729969) 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, 608780954659 + ... + 608780954664.

It is an arithmetic number, because the mean of its divisors is an integer number (1217561909324).

Almost surely, 2^{3652685727969} is an apocalyptic number.

It is an amenable number.

3652685727969 is a deficient number, since it is larger than the sum of its proper divisors (1217561909327).

3652685727969 is a wasteful number, since it uses less digits than its factorization.

3652685727969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217561909326.

The product of its digits is 2057529600, while the sum is 75.

The spelling of 3652685727969 in words is "three trillion, six hundred fifty-two billion, six hundred eighty-five million, seven hundred twenty-seven thousand, nine hundred sixty-nine".