3370438681 has 2 divisors, whose sum is σ = 3370438682. Its totient is φ = 3370438680.

The previous prime is 3370438679. The next prime is 3370438691. The reversal of 3370438681 is 1868340733.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1792760281 + 1577678400 = 42341^2 + 39720^2 .

It is a cyclic number.

It is not a de Polignac number, because 3370438681 - 2¹ = 3370438679 is a prime.

It is a super-2 number, since 2×3370438681² = 22719713804762039522, which contains 22 as substring.

Together with 3370438679, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3370438691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1685219340 + 1685219341.

It is an arithmetic number, because the mean of its divisors is an integer number (1685219341).

Almost surely, 2^3370438681 is an apocalyptic number.

It is an amenable number.

3370438681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3370438681 is an equidigital number, since it uses as much as digits as its factorization.

3370438681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 3370438681 is about 58055.4793365794. The cubic root of 3370438681 is about 1499.3239443820.

The spelling of 3370438681 in words is "three billion, three hundred seventy million, four hundred thirty-eight thousand, six hundred eighty-one".