409444504113 has 4 divisors (see below), whose sum is σ = 545926005488. Its totient is φ = 272963002740.

The previous prime is 409444504111. The next prime is 409444504121. The reversal of 409444504113 is 311405444904.

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 not a de Polignac number, because 409444504113 - 2¹ = 409444504111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (409444504111) 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, 68240750683 + ... + 68240750688.

It is an arithmetic number, because the mean of its divisors is an integer number (136481501372).

Almost surely, 2^409444504113 is an apocalyptic number.

It is an amenable number.

409444504113 is a deficient number, since it is larger than the sum of its proper divisors (136481501375).

409444504113 is a wasteful number, since it uses less digits than its factorization.

409444504113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136481501374.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 409444504113 in words is "four hundred nine billion, four hundred forty-four million, five hundred four thousand, one hundred thirteen".