343544355643 has 2 divisors, whose sum is σ = 343544355644. Its totient is φ = 343544355642.

The previous prime is 343544355601. The next prime is 343544355667. The reversal of 343544355643 is 346553445343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343544355643 - 2²⁵ = 343510801211 is a prime.

It is not a weakly prime, because it can be changed into another prime (343544355673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171772177821 + 171772177822.

It is an arithmetic number, because the mean of its divisors is an integer number (171772177822).

Almost surely, 2^343544355643 is an apocalyptic number.

343544355643 is a deficient number, since it is larger than the sum of its proper divisors (1).

343544355643 is an equidigital number, since it uses as much as digits as its factorization.

343544355643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552000, while the sum is 49.

The spelling of 343544355643 in words is "three hundred forty-three billion, five hundred forty-four million, three hundred fifty-five thousand, six hundred forty-three".