3361221613 has 2 divisors, whose sum is σ = 3361221614. Its totient is φ = 3361221612.

The previous prime is 3361221583. The next prime is 3361221641. The reversal of 3361221613 is 3161221633.

3361221613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (3361221641) can be obtained adding 3361221613 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2598246729 + 762974884 = 50973^2 + 27622^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3361221613 is a prime.

It is a super-3 number, since 3×3361221613³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3361221013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1680610806 + 1680610807.

It is an arithmetic number, because the mean of its divisors is an integer number (1680610807).

Almost surely, 2^3361221613 is an apocalyptic number.

It is an amenable number.

3361221613 is a deficient number, since it is larger than the sum of its proper divisors (1).

3361221613 is an equidigital number, since it uses as much as digits as its factorization.

3361221613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 28.

The square root of 3361221613 is about 57976.0434403729. The cubic root of 3361221613 is about 1497.9559733835.

It can be divided in two parts, 33612 and 21613, that added together give a square (55225 = 235²).

The spelling of 3361221613 in words is "three billion, three hundred sixty-one million, two hundred twenty-one thousand, six hundred thirteen".