343618441961 has 4 divisors (see below), whose sum is σ = 345345168000. Its totient is φ = 341891715924.

The previous prime is 343618441919. The next prime is 343618442009. The reversal of 343618441961 is 169144816343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 343618441961 - 2¹⁰ = 343618440937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (343618441861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863362721 + ... + 863363118.

It is an arithmetic number, because the mean of its divisors is an integer number (86336292000).

Almost surely, 2^343618441961 is an apocalyptic number.

It is an amenable number.

343618441961 is a deficient number, since it is larger than the sum of its proper divisors (1726726039).

343618441961 is a wasteful number, since it uses less digits than its factorization.

343618441961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726726038.

The product of its digits is 1492992, while the sum is 50.

The spelling of 343618441961 in words is "three hundred forty-three billion, six hundred eighteen million, four hundred forty-one thousand, nine hundred sixty-one".