343618441919 has 2 divisors, whose sum is σ = 343618441920. Its totient is φ = 343618441918.

The previous prime is 343618441883. The next prime is 343618442009. The reversal of 343618441919 is 919144816343.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343618441919 - 2¹⁶ = 343618376383 is a prime.

It is a super-2 number, since 2×343618441919² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343618441219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171809220959 + 171809220960.

It is an arithmetic number, because the mean of its divisors is an integer number (171809220960).

Almost surely, 2^343618441919 is an apocalyptic number.

343618441919 is a deficient number, since it is larger than the sum of its proper divisors (1).

343618441919 is an equidigital number, since it uses as much as digits as its factorization.

343618441919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2239488, while the sum is 53.

The spelling of 343618441919 in words is "three hundred forty-three billion, six hundred eighteen million, four hundred forty-one thousand, nine hundred nineteen".