3688718735057 has 4 divisors (see below), whose sum is σ = 3690367695156. Its totient is φ = 3687069774960.

The previous prime is 3688718734997. The next prime is 3688718735083. The reversal of 3688718735057 is 7505378178863.

3688718735057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2248332309136 + 1440386425921 = 1499444^2 + 1200161^2 .

It is a cyclic number.

It is not a de Polignac number, because 3688718735057 - 2⁶ = 3688718734993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3688718725057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 824476694 + ... + 824481167.

It is an arithmetic number, because the mean of its divisors is an integer number (922591923789).

Almost surely, 2^{3688718735057} is an apocalyptic number.

It is an amenable number.

3688718735057 is a deficient number, since it is larger than the sum of its proper divisors (1648960099).

3688718735057 is a wasteful number, since it uses less digits than its factorization.

3688718735057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648960098.

The product of its (nonzero) digits is 237081600, while the sum is 68.

The spelling of 3688718735057 in words is "three trillion, six hundred eighty-eight billion, seven hundred eighteen million, seven hundred thirty-five thousand, fifty-seven".