344245504203353 has 2 divisors, whose sum is σ = 344245504203354. Its totient is φ = 344245504203352.

The previous prime is 344245504203323. The next prime is 344245504203499. The reversal of 344245504203353 is 353302405542443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 344046407086144 + 199097117209 = 18548488^2 + 446203^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344245504203353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 344245504203298 and 344245504203307.

It is not a weakly prime, because it can be changed into another prime (344245504203323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172122752101676 + 172122752101677.

It is an arithmetic number, because the mean of its divisors is an integer number (172122752101677).

Almost surely, 2^{344245504203353} is an apocalyptic number.

It is an amenable number.

344245504203353 is a deficient number, since it is larger than the sum of its proper divisors (1).

344245504203353 is an equidigital number, since it uses as much as digits as its factorization.

344245504203353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368000, while the sum is 47.

Adding to 344245504203353 its reverse (353302405542443), we get a palindrome (697547909745796).

The spelling of 344245504203353 in words is "three hundred forty-four trillion, two hundred forty-five billion, five hundred four million, two hundred three thousand, three hundred fifty-three".