3491385949193 has 2 divisors, whose sum is σ = 3491385949194. Its totient is φ = 3491385949192.

The previous prime is 3491385949151. The next prime is 3491385949211. The reversal of 3491385949193 is 3919495831943.

3491385949193 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., 2091300653689 + 1400085295504 = 1446133^2 + 1183252^2 .

It is an emirp because it is prime and its reverse (3919495831943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3491385949193 - 2³² = 3487090981897 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3491385949393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1745692974596 + 1745692974597.

It is an arithmetic number, because the mean of its divisors is an integer number (1745692974597).

Almost surely, 2^{3491385949193} is an apocalyptic number.

It is an amenable number.

3491385949193 is a deficient number, since it is larger than the sum of its proper divisors (1).

3491385949193 is an equidigital number, since it uses as much as digits as its factorization.

3491385949193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113374080, while the sum is 68.

The spelling of 3491385949193 in words is "three trillion, four hundred ninety-one billion, three hundred eighty-five million, nine hundred forty-nine thousand, one hundred ninety-three".