3349347722647 has 2 divisors, whose sum is σ = 3349347722648. Its totient is φ = 3349347722646.

The previous prime is 3349347722593. The next prime is 3349347722683. The reversal of 3349347722647 is 7462277439433.

It is a strong prime.

It is an emirp because it is prime and its reverse (7462277439433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3349347722647 - 2⁷ = 3349347722519 is a prime.

It is a super-2 number, since 2×3349347722647² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3349347720647) 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, 1674673861323 + 1674673861324.

It is an arithmetic number, because the mean of its divisors is an integer number (1674673861324).

Almost surely, 2^{3349347722647} is an apocalyptic number.

3349347722647 is a deficient number, since it is larger than the sum of its proper divisors (1).

3349347722647 is an equidigital number, since it uses as much as digits as its factorization.

3349347722647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 128024064, while the sum is 61.

The spelling of 3349347722647 in words is "three trillion, three hundred forty-nine billion, three hundred forty-seven million, seven hundred twenty-two thousand, six hundred forty-seven".