308379844345 has 4 divisors (see below), whose sum is σ = 370055813220. Its totient is φ = 246703875472.

The previous prime is 308379844343. The next prime is 308379844387. The reversal of 308379844345 is 543448973803.

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 229165178944 + 79214665401 = 478712^2 + 281451^2 .

It is a cyclic number.

It is not a de Polignac number, because 308379844345 - 2¹ = 308379844343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 308379844345.

It is not an unprimeable number, because it can be changed into a prime (308379844343) 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, 30837984430 + ... + 30837984439.

It is an arithmetic number, because the mean of its divisors is an integer number (92513953305).

Almost surely, 2^308379844345 is an apocalyptic number.

It is an amenable number.

308379844345 is a deficient number, since it is larger than the sum of its proper divisors (61675968875).

308379844345 is an equidigital number, since it uses as much as digits as its factorization.

308379844345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61675968874.

The product of its (nonzero) digits is 34836480, while the sum is 58.

The spelling of 308379844345 in words is "three hundred eight billion, three hundred seventy-nine million, eight hundred forty-four thousand, three hundred forty-five".