404452129343 has 4 divisors (see below), whose sum is σ = 409325046648. Its totient is φ = 399579212040.

The previous prime is 404452129327. The next prime is 404452129369. The reversal of 404452129343 is 343921254404.

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

It is a cyclic number.

It is not a de Polignac number, because 404452129343 - 2⁴ = 404452129327 is a prime.

It is a super-2 number, since 2×404452129343² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404452129343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404452179343) 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, 2436458528 + ... + 2436458693.

It is an arithmetic number, because the mean of its divisors is an integer number (102331261662).

Almost surely, 2^404452129343 is an apocalyptic number.

404452129343 is a deficient number, since it is larger than the sum of its proper divisors (4872917305).

404452129343 is an equidigital number, since it uses as much as digits as its factorization.

404452129343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4872917304.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 404452129343 in words is "four hundred four billion, four hundred fifty-two million, one hundred twenty-nine thousand, three hundred forty-three".