348044438513 has 4 divisors (see below), whose sum is σ = 353750085108. Its totient is φ = 342338791920.

The previous prime is 348044438503. The next prime is 348044438537. The reversal of 348044438513 is 315834440843.

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 103714914304 + 244329524209 = 322048^2 + 494297^2 .

It is a cyclic number.

It is not a de Polignac number, because 348044438513 - 2⁸ = 348044438257 is a prime.

It is a super-2 number, since 2×348044438513² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348044438503) 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, 2852823206 + ... + 2852823327.

It is an arithmetic number, because the mean of its divisors is an integer number (88437521277).

Almost surely, 2^348044438513 is an apocalyptic number.

It is an amenable number.

348044438513 is a deficient number, since it is larger than the sum of its proper divisors (5705646595).

348044438513 is an equidigital number, since it uses as much as digits as its factorization.

348044438513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5705646594.

The product of its (nonzero) digits is 2211840, while the sum is 47.

The spelling of 348044438513 in words is "three hundred forty-eight billion, forty-four million, four hundred thirty-eight thousand, five hundred thirteen".