353645238443 has 4 divisors (see below), whose sum is σ = 404165986800. Its totient is φ = 303124490088.

The previous prime is 353645238431. The next prime is 353645238469. The reversal of 353645238443 is 344832546353.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344832546353 = 19 ⋅18149081387.

It is not a de Polignac number, because 353645238443 - 2²⁰ = 353644189867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 353645238391 and 353645238400.

It is not an unprimeable number, because it can be changed into a prime (353645238403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25260374168 + ... + 25260374181.

It is an arithmetic number, because the mean of its divisors is an integer number (101041496700).

Almost surely, 2^353645238443 is an apocalyptic number.

353645238443 is a deficient number, since it is larger than the sum of its proper divisors (50520748357).

353645238443 is an equidigital number, since it uses as much as digits as its factorization.

353645238443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50520748356.

The product of its digits is 12441600, while the sum is 50.

The spelling of 353645238443 in words is "three hundred fifty-three billion, six hundred forty-five million, two hundred thirty-eight thousand, four hundred forty-three".