3688326021345 has 16 divisors (see below), whose sum is σ = 6744367582080. Its totient is φ = 1686091895424.

The previous prime is 3688326021323. The next prime is 3688326021389. The reversal of 3688326021345 is 5431206238863.

It is not a de Polignac number, because 3688326021345 - 2¹³ = 3688326013153 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17563457140 + ... + 17563457349.

It is an arithmetic number, because the mean of its divisors is an integer number (421522973880).

Almost surely, 2^{3688326021345} is an apocalyptic number.

3688326021345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3688326021345 is a deficient number, since it is larger than the sum of its proper divisors (3056041560735).

3688326021345 is a wasteful number, since it uses less digits than its factorization.

3688326021345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35126914504.

The product of its (nonzero) digits is 4976640, while the sum is 51.

The spelling of 3688326021345 in words is "three trillion, six hundred eighty-eight billion, three hundred twenty-six million, twenty-one thousand, three hundred forty-five".