3368379231281 has 2 divisors, whose sum is σ = 3368379231282. Its totient is φ = 3368379231280.

The previous prime is 3368379231251. The next prime is 3368379231361. The reversal of 3368379231281 is 1821329738633.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3231509569600 + 136869661681 = 1797640^2 + 369959^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3368379231281 is a prime.

It is a super-2 number, since 2×3368379231281² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3368379231251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1684189615640 + 1684189615641.

It is an arithmetic number, because the mean of its divisors is an integer number (1684189615641).

Almost surely, 2^{3368379231281} is an apocalyptic number.

It is an amenable number.

3368379231281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3368379231281 is an equidigital number, since it uses as much as digits as its factorization.

3368379231281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 56.

The spelling of 3368379231281 in words is "three trillion, three hundred sixty-eight billion, three hundred seventy-nine million, two hundred thirty-one thousand, two hundred eighty-one".