344420997163 has 6 divisors (see below), whose sum is σ = 353981259996. Its totient is φ = 335112320232.

The previous prime is 344420997073. The next prime is 344420997187. The reversal of 344420997163 is 361799024443.

It is not a de Polignac number, because 344420997163 - 2¹³ = 344420988971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 344420997163.

It is not an unprimeable number, because it can be changed into a prime (344420997763) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125791545 + ... + 125794282.

It is an arithmetic number, because the mean of its divisors is an integer number (58996876666).

Almost surely, 2^344420997163 is an apocalyptic number.

344420997163 is a deficient number, since it is larger than the sum of its proper divisors (9560262833).

344420997163 is an equidigital number, since it uses as much as digits as its factorization.

344420997163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251585901 (or 251585864 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 52.

The spelling of 344420997163 in words is "three hundred forty-four billion, four hundred twenty million, nine hundred ninety-seven thousand, one hundred sixty-three".