3521116336399 has 2 divisors, whose sum is σ = 3521116336400. Its totient is φ = 3521116336398.

The previous prime is 3521116336343. The next prime is 3521116336403. The reversal of 3521116336399 is 9936336111253.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3521116336399 - 2⁹ = 3521116335887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3521116339399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760558168199 + 1760558168200.

It is an arithmetic number, because the mean of its divisors is an integer number (1760558168200).

Almost surely, 2^{3521116336399} is an apocalyptic number.

3521116336399 is a deficient number, since it is larger than the sum of its proper divisors (1).

3521116336399 is an equidigital number, since it uses as much as digits as its factorization.

3521116336399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2361960, while the sum is 52.

The spelling of 3521116336399 in words is "three trillion, five hundred twenty-one billion, one hundred sixteen million, three hundred thirty-six thousand, three hundred ninety-nine".