344426421111413 has 2 divisors, whose sum is σ = 344426421111414. Its totient is φ = 344426421111412.

The previous prime is 344426421111349. The next prime is 344426421111439. The reversal of 344426421111413 is 314111124624443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303242589755044 + 41183831356369 = 17413862^2 + 6417463^2 .

It is a cyclic number.

It is not a de Polignac number, because 344426421111413 - 2⁶ = 344426421111349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344426421131413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172213210555706 + 172213210555707.

It is an arithmetic number, because the mean of its divisors is an integer number (172213210555707).

Almost surely, 2^{344426421111413} is an apocalyptic number.

It is an amenable number.

344426421111413 is a deficient number, since it is larger than the sum of its proper divisors (1).

344426421111413 is an equidigital number, since it uses as much as digits as its factorization.

344426421111413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 41.

Adding to 344426421111413 its reverse (314111124624443), we get a palindrome (658537545735856).

The spelling of 344426421111413 in words is "three hundred forty-four trillion, four hundred twenty-six billion, four hundred twenty-one million, one hundred eleven thousand, four hundred thirteen".