344363664505 has 16 divisors (see below), whose sum is σ = 497126494080. Its totient is φ = 223706921472.

The previous prime is 344363664503. The next prime is 344363664527. The reversal of 344363664505 is 505466363443.

It is a cyclic number.

It is not a de Polignac number, because 344363664505 - 2¹ = 344363664503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (344363664503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258919384 + ... + 258920713.

It is an arithmetic number, because the mean of its divisors is an integer number (31070405880).

Almost surely, 2^344363664505 is an apocalyptic number.

344363664505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

344363664505 is a deficient number, since it is larger than the sum of its proper divisors (152762829575).

344363664505 is a wasteful number, since it uses less digits than its factorization.

344363664505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517840128.

The product of its (nonzero) digits is 9331200, while the sum is 49.

The spelling of 344363664505 in words is "three hundred forty-four billion, three hundred sixty-three million, six hundred sixty-four thousand, five hundred five".