344734742632897 has 4 divisors (see below), whose sum is σ = 344762794947460. Its totient is φ = 344706690318336.

The previous prime is 344734742632849. The next prime is 344734742632927. The reversal of 344734742632897 is 798236247437443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 144592351918336 + 200142390714561 = 12024656^2 + 14147169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344734742632897 is a prime.

It is a super-2 number, since 2×344734742632897² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344734742632997) 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 in 3 ways as a sum of consecutive naturals, for example, 14026138848 + ... + 14026163425.

It is an arithmetic number, because the mean of its divisors is an integer number (86190698736865).

Almost surely, 2^{344734742632897} is an apocalyptic number.

It is an amenable number.

344734742632897 is a deficient number, since it is larger than the sum of its proper divisors (28052314563).

344734742632897 is a wasteful number, since it uses less digits than its factorization.

344734742632897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28052314562.

The product of its digits is 4096770048, while the sum is 73.

The spelling of 344734742632897 in words is "three hundred forty-four trillion, seven hundred thirty-four billion, seven hundred forty-two million, six hundred thirty-two thousand, eight hundred ninety-seven".