3446669381 has 2 divisors, whose sum is σ = 3446669382. Its totient is φ = 3446669380.

The previous prime is 3446669363. The next prime is 3446669389. The reversal of 3446669381 is 1839666443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3432905281 + 13764100 = 58591^2 + 3710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3446669381 is a prime.

It is a super-2 number, since 2×3446669381² = 23759059643845846322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3446669389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1723334690 + 1723334691.

It is an arithmetic number, because the mean of its divisors is an integer number (1723334691).

Almost surely, 2^3446669381 is an apocalyptic number.

It is an amenable number.

3446669381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3446669381 is an equidigital number, since it uses as much as digits as its factorization.

3446669381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 50.

The square root of 3446669381 is about 58708.3416645369. The cubic root of 3446669381 is about 1510.5434035331.

The spelling of 3446669381 in words is "three billion, four hundred forty-six million, six hundred sixty-nine thousand, three hundred eighty-one".