344204355437 has 2 divisors, whose sum is σ = 344204355438. Its totient is φ = 344204355436.

The previous prime is 344204355419. The next prime is 344204355571. The reversal of 344204355437 is 734553402443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 331293487561 + 12910867876 = 575581^2 + 113626^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344204355437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344204355637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172102177718 + 172102177719.

It is an arithmetic number, because the mean of its divisors is an integer number (172102177719).

Almost surely, 2^344204355437 is an apocalyptic number.

It is an amenable number.

344204355437 is a deficient number, since it is larger than the sum of its proper divisors (1).

344204355437 is an equidigital number, since it uses as much as digits as its factorization.

344204355437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 44.

The spelling of 344204355437 in words is "three hundred forty-four billion, two hundred four million, three hundred fifty-five thousand, four hundred thirty-seven".