409798019903 has 8 divisors (see below), whose sum is σ = 436563523200. Its totient is φ = 383552235288.

The previous prime is 409798019881. The next prime is 409798019923. The reversal of 409798019903 is 309910897904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 409798019903 - 2¹⁰ = 409798018879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409798019923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129928043 + ... + 129931196.

It is an arithmetic number, because the mean of its divisors is an integer number (54570440400).

Almost surely, 2^409798019903 is an apocalyptic number.

409798019903 is a deficient number, since it is larger than the sum of its proper divisors (26765503297).

409798019903 is a wasteful number, since it uses less digits than its factorization.

409798019903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259859341.

The product of its (nonzero) digits is 4408992, while the sum is 59.

The spelling of 409798019903 in words is "four hundred nine billion, seven hundred ninety-eight million, nineteen thousand, nine hundred three".