213409192404 has 24 divisors (see below), whose sum is σ = 506394695520. Its totient is φ = 69930695584.

The previous prime is 213409192393. The next prime is 213409192429. The reversal of 213409192404 is 404291904312.

213409192404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150711999 + ... + 150713414.

It is an arithmetic number, because the mean of its divisors is an integer number (21099778980).

Almost surely, 2^213409192404 is an apocalyptic number.

It is an amenable number.

213409192404 is an abundant number, since it is smaller than the sum of its proper divisors (292985503116).

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

213409192404 is a wasteful number, since it uses less digits than its factorization.

213409192404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301425479 (or 301425477 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 213409192404 in words is "two hundred thirteen billion, four hundred nine million, one hundred ninety-two thousand, four hundred four".