3404002413221 has 2 divisors, whose sum is σ = 3404002413222. Its totient is φ = 3404002413220.

The previous prime is 3404002413143. The next prime is 3404002413233. The reversal of 3404002413221 is 1223142004043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2519556210721 + 884446202500 = 1587311^2 + 940450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3404002413221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3404002413271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1702001206610 + 1702001206611.

It is an arithmetic number, because the mean of its divisors is an integer number (1702001206611).

Almost surely, 2^{3404002413221} is an apocalyptic number.

It is an amenable number.

3404002413221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3404002413221 is an equidigital number, since it uses as much as digits as its factorization.

3404002413221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 3404002413221 its reverse (1223142004043), we get a palindrome (4627144417264).

The spelling of 3404002413221 in words is "three trillion, four hundred four billion, two million, four hundred thirteen thousand, two hundred twenty-one".