344454352213 has 4 divisors (see below), whose sum is σ = 350953490988. Its totient is φ = 337955213440.

The previous prime is 344454352169. The next prime is 344454352241. The reversal of 344454352213 is 312253454443.

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 304535111409 + 39919240804 = 551847^2 + 199798^2 .

It is a cyclic number.

It is not a de Polignac number, because 344454352213 - 2²¹ = 344452255061 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 (344454352313) 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, 3249569308 + ... + 3249569413.

It is an arithmetic number, because the mean of its divisors is an integer number (87738372747).

Almost surely, 2^344454352213 is an apocalyptic number.

It is an amenable number.

344454352213 is a deficient number, since it is larger than the sum of its proper divisors (6499138775).

344454352213 is an equidigital number, since it uses as much as digits as its factorization.

344454352213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6499138774.

The product of its digits is 691200, while the sum is 40.

The spelling of 344454352213 in words is "three hundred forty-four billion, four hundred fifty-four million, three hundred fifty-two thousand, two hundred thirteen".