343165643633 has 4 divisors (see below), whose sum is σ = 343504406388. Its totient is φ = 342826880880.

The previous prime is 343165643603. The next prime is 343165643647. The reversal of 343165643633 is 336346561343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 247653169 + 342917990464 = 15737^2 + 585592^2 .

It is a cyclic number.

It is not a de Polignac number, because 343165643633 - 2²² = 343161449329 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 (343165643603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169379858 + ... + 169381883.

It is an arithmetic number, because the mean of its divisors is an integer number (85876101597).

Almost surely, 2^343165643633 is an apocalyptic number.

It is an amenable number.

343165643633 is a deficient number, since it is larger than the sum of its proper divisors (338762755).

343165643633 is a wasteful number, since it uses less digits than its factorization.

343165643633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338762754.

The product of its digits is 4199040, while the sum is 47.

The spelling of 343165643633 in words is "three hundred forty-three billion, one hundred sixty-five million, six hundred forty-three thousand, six hundred thirty-three".