344378555957 has 2 divisors, whose sum is σ = 344378555958. Its totient is φ = 344378555956.

The previous prime is 344378555947. The next prime is 344378556019. The reversal of 344378555957 is 759555873443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184001534116 + 160377021841 = 428954^2 + 400471^2 .

It is a cyclic number.

It is not a de Polignac number, because 344378555957 - 2¹² = 344378551861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 344378555893 and 344378555902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344378555947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172189277978 + 172189277979.

It is an arithmetic number, because the mean of its divisors is an integer number (172189277979).

Almost surely, 2^344378555957 is an apocalyptic number.

It is an amenable number.

344378555957 is a deficient number, since it is larger than the sum of its proper divisors (1).

344378555957 is an equidigital number, since it uses as much as digits as its factorization.

344378555957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520000, while the sum is 65.

The spelling of 344378555957 in words is "three hundred forty-four billion, three hundred seventy-eight million, five hundred fifty-five thousand, nine hundred fifty-seven".