3391221505499 has 2 divisors, whose sum is σ = 3391221505500. Its totient is φ = 3391221505498.

The previous prime is 3391221505457. The next prime is 3391221505523. The reversal of 3391221505499 is 9945051221933.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3391221505499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3391221505499.

It is not a weakly prime, because it can be changed into another prime (3391221505409) 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, 1695610752749 + 1695610752750.

It is an arithmetic number, because the mean of its divisors is an integer number (1695610752750).

Almost surely, 2^{3391221505499} is an apocalyptic number.

3391221505499 is a deficient number, since it is larger than the sum of its proper divisors (1).

3391221505499 is an equidigital number, since it uses as much as digits as its factorization.

3391221505499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2624400, while the sum is 53.

The spelling of 3391221505499 in words is "three trillion, three hundred ninety-one billion, two hundred twenty-one million, five hundred five thousand, four hundred ninety-nine".