344250423409 has 2 divisors, whose sum is σ = 344250423410. Its totient is φ = 344250423408.

The previous prime is 344250423397. The next prime is 344250423547. The reversal of 344250423409 is 904324052443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318609447025 + 25640976384 = 564455^2 + 160128^2 .

It is a cyclic number.

It is not a de Polignac number, because 344250423409 - 2³³ = 335660488817 is a prime.

It is not a weakly prime, because it can be changed into another prime (344250433409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172125211704 + 172125211705.

It is an arithmetic number, because the mean of its divisors is an integer number (172125211705).

Almost surely, 2^344250423409 is an apocalyptic number.

It is an amenable number.

344250423409 is a deficient number, since it is larger than the sum of its proper divisors (1).

344250423409 is an equidigital number, since it uses as much as digits as its factorization.

344250423409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 344250423409 in words is "three hundred forty-four billion, two hundred fifty million, four hundred twenty-three thousand, four hundred nine".