3685144057 has 16 divisors (see below), whose sum is σ = 4405795200. Its totient is φ = 3015492480.

The previous prime is 3685144033. The next prime is 3685144061. The reversal of 3685144057 is 7504415863.

It is not a de Polignac number, because 3685144057 - 2⁷ = 3685143929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3685147057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83919 + ... + 120052.

It is an arithmetic number, because the mean of its divisors is an integer number (275362200).

Almost surely, 2^3685144057 is an apocalyptic number.

It is an amenable number.

3685144057 is a deficient number, since it is larger than the sum of its proper divisors (720651143).

3685144057 is a wasteful number, since it uses less digits than its factorization.

3685144057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204096.

The product of its (nonzero) digits is 403200, while the sum is 43.

The square root of 3685144057 is about 60705.3873803635. The cubic root of 3685144057 is about 1544.6075614671.

It can be divided in two parts, 36851 and 44057, that added together give a palindrome (80908).

The spelling of 3685144057 in words is "three billion, six hundred eighty-five million, one hundred forty-four thousand, fifty-seven".