344464464391 has 4 divisors (see below), whose sum is σ = 356342549400. Its totient is φ = 332586379384.

The previous prime is 344464464373. The next prime is 344464464397. The reversal of 344464464391 is 193464464443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 193464464443 = 197 ⋅982053119.

It is a cyclic number.

It is not a de Polignac number, because 344464464391 - 2⁷ = 344464464263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344464464397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5939042461 + ... + 5939042518.

It is an arithmetic number, because the mean of its divisors is an integer number (89085637350).

Almost surely, 2^344464464391 is an apocalyptic number.

344464464391 is a deficient number, since it is larger than the sum of its proper divisors (11878085009).

344464464391 is a wasteful number, since it uses less digits than its factorization.

344464464391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11878085008.

The product of its digits is 11943936, while the sum is 52.

Adding to 344464464391 its sum of digits (52), we get a palindrome (344464464443).

The spelling of 344464464391 in words is "three hundred forty-four billion, four hundred sixty-four million, four hundred sixty-four thousand, three hundred ninety-one".