209430041604 has 192 divisors, whose sum is σ = 604691619840. Its totient is φ = 55048089600.

The previous prime is 209430041599. The next prime is 209430041641. The reversal of 209430041604 is 406140034902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70537432 + ... + 70540400.

It is an arithmetic number, because the mean of its divisors is an integer number (3149435520).

Almost surely, 2^209430041604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 209430041604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302345809920).

209430041604 is an abundant number, since it is smaller than the sum of its proper divisors (395261578236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

209430041604 is a wasteful number, since it uses less digits than its factorization.

209430041604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4098 (or 4096 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 209430041604 in words is "two hundred nine billion, four hundred thirty million, forty-one thousand, six hundred four".