3348810851681 has 2 divisors, whose sum is σ = 3348810851682. Its totient is φ = 3348810851680.

The previous prime is 3348810851651. The next prime is 3348810851707. The reversal of 3348810851681 is 1861580188433.

3348810851681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2035712582656 + 1313098269025 = 1426784^2 + 1145905^2 .

It is a cyclic number.

It is not a de Polignac number, because 3348810851681 - 2³⁸ = 3073932944737 is a prime.

It is a super-2 number, since 2×3348810851681² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3348810851621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1674405425840 + 1674405425841.

It is an arithmetic number, because the mean of its divisors is an integer number (1674405425841).

Almost surely, 2^{3348810851681} is an apocalyptic number.

It is an amenable number.

3348810851681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3348810851681 is an equidigital number, since it uses as much as digits as its factorization.

3348810851681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4423680, while the sum is 56.

The spelling of 3348810851681 in words is "three trillion, three hundred forty-eight billion, eight hundred ten million, eight hundred fifty-one thousand, six hundred eighty-one".