353803720009 has 4 divisors (see below), whose sum is σ = 354512746000. Its totient is φ = 353094694020.

The previous prime is 353803719989. The next prime is 353803720013. The reversal of 353803720009 is 900027308353.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 900027308353 = 47 ⋅19149517199.

It is a cyclic number.

It is not a de Polignac number, because 353803720009 - 2⁹ = 353803719497 is a prime.

It is a super-3 number, since 3×353803720009³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (353803720069) 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, 354512247 + ... + 354513244.

It is an arithmetic number, because the mean of its divisors is an integer number (88628186500).

Almost surely, 2^353803720009 is an apocalyptic number.

It is an amenable number.

353803720009 is a deficient number, since it is larger than the sum of its proper divisors (709025991).

353803720009 is an equidigital number, since it uses as much as digits as its factorization.

353803720009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709025990.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 353803720009 in words is "three hundred fifty-three billion, eight hundred three million, seven hundred twenty thousand, nine".