3394369681 has 2 divisors, whose sum is σ = 3394369682. Its totient is φ = 3394369680.

The previous prime is 3394369639. The next prime is 3394369709. The reversal of 3394369681 is 1869634933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3389102656 + 5267025 = 58216^2 + 2295^2 .

It is a cyclic number.

It is not a de Polignac number, because 3394369681 - 2²¹ = 3392272529 is a prime.

It is a super-2 number, since 2×3394369681² = 23043491062584083522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3394369081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1697184840 + 1697184841.

It is an arithmetic number, because the mean of its divisors is an integer number (1697184841).

Almost surely, 2^3394369681 is an apocalyptic number.

It is an amenable number.

3394369681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3394369681 is an equidigital number, since it uses as much as digits as its factorization.

3394369681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2519424, while the sum is 52.

The square root of 3394369681 is about 58261.2193573049. The cubic root of 3394369681 is about 1502.8641101384.

The spelling of 3394369681 in words is "three billion, three hundred ninety-four million, three hundred sixty-nine thousand, six hundred eighty-one".