43345442604313 has 4 divisors (see below), whose sum is σ = 43347809544628. Its totient is φ = 43343075664000.

The previous prime is 43345442604253. The next prime is 43345442604329. The reversal of 43345442604313 is 31340624454334.

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 13921793740864 + 29423648863449 = 3731192^2 + 5424357^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43345442604313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43345442664313) 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, 1183442688 + ... + 1183479313.

It is an arithmetic number, because the mean of its divisors is an integer number (10836952386157).

Almost surely, 2^{43345442604313} is an apocalyptic number.

It is an amenable number.

43345442604313 is a deficient number, since it is larger than the sum of its proper divisors (2366940315).

43345442604313 is a wasteful number, since it uses less digits than its factorization.

43345442604313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366940314.

The product of its (nonzero) digits is 4976640, while the sum is 46.

The spelling of 43345442604313 in words is "forty-three trillion, three hundred forty-five billion, four hundred forty-two million, six hundred four thousand, three hundred thirteen".