349365755647 has 2 divisors, whose sum is σ = 349365755648. Its totient is φ = 349365755646.

The previous prime is 349365755597. The next prime is 349365755657. The reversal of 349365755647 is 746557563943.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (746557563943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349365755647 - 2¹⁹ = 349365231359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349365755657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174682877823 + 174682877824.

It is an arithmetic number, because the mean of its divisors is an integer number (174682877824).

Almost surely, 2^349365755647 is an apocalyptic number.

349365755647 is a deficient number, since it is larger than the sum of its proper divisors (1).

349365755647 is an equidigital number, since it uses as much as digits as its factorization.

349365755647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768000, while the sum is 64.

The spelling of 349365755647 in words is "three hundred forty-nine billion, three hundred sixty-five million, seven hundred fifty-five thousand, six hundred forty-seven".