343921254405 has 8 divisors (see below), whose sum is σ = 550274007072. Its totient is φ = 183424669008.

The previous prime is 343921254389. The next prime is 343921254409. The reversal of 343921254405 is 504452129343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 343921254405 - 2⁴ = 343921254389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343921254409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11464041799 + ... + 11464041828.

It is an arithmetic number, because the mean of its divisors is an integer number (68784250884).

Almost surely, 2^343921254405 is an apocalyptic number.

It is an amenable number.

343921254405 is a deficient number, since it is larger than the sum of its proper divisors (206352752667).

343921254405 is a wasteful number, since it uses less digits than its factorization.

343921254405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22928083635.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 343921254405 in words is "three hundred forty-three billion, nine hundred twenty-one million, two hundred fifty-four thousand, four hundred five".