3685769981536 has 36 divisors (see below), whose sum is σ = 7497986673996. Its totient is φ = 1783437072960.

The previous prime is 3685769981533. The next prime is 3685769981561. The reversal of 3685769981536 is 6351899675863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685769981533) 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 5 ways as a sum of consecutive naturals, for example, 59896570 + ... + 59958073.

It is an arithmetic number, because the mean of its divisors is an integer number (208277407611).

Almost surely, 2^{3685769981536} is an apocalyptic number.

It is an amenable number.

3685769981536 is an abundant number, since it is smaller than the sum of its proper divisors (3812216692460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3685769981536 is a wasteful number, since it uses less digits than its factorization.

3685769981536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119854715 (or 119854676 counting only the distinct ones).

The product of its digits is 1763596800, while the sum is 76.

The spelling of 3685769981536 in words is "three trillion, six hundred eighty-five billion, seven hundred sixty-nine million, nine hundred eighty-one thousand, five hundred thirty-six".