3221612413 has 2 divisors, whose sum is σ = 3221612414. Its totient is φ = 3221612412.

The previous prime is 3221612377. The next prime is 3221612437. The reversal of 3221612413 is 3142161223.

3221612413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2377245049 + 844367364 = 48757^2 + 29058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3221612413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3221612483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610806206 + 1610806207.

It is an arithmetic number, because the mean of its divisors is an integer number (1610806207).

Almost surely, 2^3221612413 is an apocalyptic number.

It is an amenable number.

3221612413 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221612413 is an equidigital number, since it uses as much as digits as its factorization.

3221612413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 3221612413 is about 56759.2495810154. The cubic root of 3221612413 is about 1476.9226923744.

Adding to 3221612413 its reverse (3142161223), we get a palindrome (6363773636).

It can be divided in two parts, 3221612 and 413, that added together give a square (3222025 = 1795²).

The spelling of 3221612413 in words is "three billion, two hundred twenty-one million, six hundred twelve thousand, four hundred thirteen".