3364694981 has 2 divisors, whose sum is σ = 3364694982. Its totient is φ = 3364694980.

The previous prime is 3364694897. The next prime is 3364694989. The reversal of 3364694981 is 1894964633.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2889062500 + 475632481 = 53750^2 + 21809^2 .

It is an emirp because it is prime and its reverse (1894964633) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3364694981 is a prime.

It is a super-2 number, since 2×3364694981² = 22642344630333180722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3364694989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1682347490 + 1682347491.

It is an arithmetic number, because the mean of its divisors is an integer number (1682347491).

Almost surely, 2^3364694981 is an apocalyptic number.

It is an amenable number.

3364694981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3364694981 is an equidigital number, since it uses as much as digits as its factorization.

3364694981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3359232, while the sum is 53.

The square root of 3364694981 is about 58005.9909061124. The cubic root of 3364694981 is about 1498.4717740643.

The spelling of 3364694981 in words is "three billion, three hundred sixty-four million, six hundred ninety-four thousand, nine hundred eighty-one".