3344445661 has 2 divisors, whose sum is σ = 3344445662. Its totient is φ = 3344445660.

The previous prime is 3344445659. The next prime is 3344445667. The reversal of 3344445661 is 1665444433.

3344445661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2947838436 + 396607225 = 54294^2 + 19915^2 .

It is an emirp because it is prime and its reverse (1665444433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3344445661 - 2¹ = 3344445659 is a prime.

It is a super-2 number, since 2×3344445661² = 22370633558763453842, which contains 22 as substring.

Together with 3344445659, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3344445667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1672222830 + 1672222831.

It is an arithmetic number, because the mean of its divisors is an integer number (1672222831).

Almost surely, 2^3344445661 is an apocalyptic number.

It is an amenable number.

3344445661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3344445661 is an equidigital number, since it uses as much as digits as its factorization.

3344445661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 40.

The square root of 3344445661 is about 57831.1824278218. The cubic root of 3344445661 is about 1495.4597022561.

The spelling of 3344445661 in words is "three billion, three hundred forty-four million, four hundred forty-five thousand, six hundred sixty-one".