409728943313 has 4 divisors (see below), whose sum is σ = 431293624560. Its totient is φ = 388164262068.

The previous prime is 409728943271. The next prime is 409728943331. The reversal of 409728943313 is 313349827904.

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.

It is a cyclic number.

It is not a de Polignac number, because 409728943313 - 2³⁰ = 408655201489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (409728943373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10782340595 + ... + 10782340632.

It is an arithmetic number, because the mean of its divisors is an integer number (107823406140).

Almost surely, 2^409728943313 is an apocalyptic number.

It is an amenable number.

409728943313 is a deficient number, since it is larger than the sum of its proper divisors (21564681247).

409728943313 is a wasteful number, since it uses less digits than its factorization.

409728943313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21564681246.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 409728943313 in words is "four hundred nine billion, seven hundred twenty-eight million, nine hundred forty-three thousand, three hundred thirteen".