3164444681 has 2 divisors, whose sum is σ = 3164444682. Its totient is φ = 3164444680.

The previous prime is 3164444609. The next prime is 3164444683. The reversal of 3164444681 is 1864444613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2179489225 + 984955456 = 46685^2 + 31384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3164444681 is a prime.

It is a super-2 number, since 2×3164444681² = 20027420278218383522, which contains 22 as substring.

Together with 3164444683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3164444683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1582222340 + 1582222341.

It is an arithmetic number, because the mean of its divisors is an integer number (1582222341).

Almost surely, 2^3164444681 is an apocalyptic number.

It is an amenable number.

3164444681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3164444681 is an equidigital number, since it uses as much as digits as its factorization.

3164444681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 41.

The square root of 3164444681 is about 56253.3970618664. The cubic root of 3164444681 is about 1468.1344717215.

The spelling of 3164444681 in words is "three billion, one hundred sixty-four million, four hundred forty-four thousand, six hundred eighty-one".