3308703664397 has 4 divisors (see below), whose sum is σ = 3309142666716. Its totient is φ = 3308264662080.

The previous prime is 3308703664379. The next prime is 3308703664417. The reversal of 3308703664397 is 7934663078033.

It is a happy number.

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 1416411797161 + 1892291867236 = 1190131^2 + 1375606^2 .

It is a cyclic number.

It is not a de Polignac number, because 3308703664397 - 2¹⁸ = 3308703402253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3308703664367) 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, 219489854 + ... + 219504927.

It is an arithmetic number, because the mean of its divisors is an integer number (827285666679).

Almost surely, 2^{3308703664397} is an apocalyptic number.

It is an amenable number.

3308703664397 is a deficient number, since it is larger than the sum of its proper divisors (439002319).

3308703664397 is an equidigital number, since it uses as much as digits as its factorization.

3308703664397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439002318.

The product of its (nonzero) digits is 41150592, while the sum is 59.

The spelling of 3308703664397 in words is "three trillion, three hundred eight billion, seven hundred three million, six hundred sixty-four thousand, three hundred ninety-seven".