213433709402 has 8 divisors (see below), whose sum is σ = 320154894036. Its totient is φ = 106715411392.

The previous prime is 213433709399. The next prime is 213433709449. The reversal of 213433709402 is 204907334312.

213433709402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 185158950601 + 28274758801 = 430301^2 + 168151^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526223 + ... + 838914.

Almost surely, 2^213433709402 is an apocalyptic number.

213433709402 is a deficient number, since it is larger than the sum of its proper divisors (106721184634).

213433709402 is a wasteful number, since it uses less digits than its factorization.

213433709402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443312.

The product of its (nonzero) digits is 108864, while the sum is 38.

The spelling of 213433709402 in words is "two hundred thirteen billion, four hundred thirty-three million, seven hundred nine thousand, four hundred two".