213323289642 has 48 divisors (see below), whose sum is σ = 464933035008. Its totient is φ = 70687870560.

The previous prime is 213323289631. The next prime is 213323289661. The reversal of 213323289642 is 246982323312.

213323289642 is a `hidden beast` number, since 2 + 1 + 3 + 323 + 289 + 6 + 42 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5284728 + ... + 5324940.

It is an arithmetic number, because the mean of its divisors is an integer number (9686104896).

Almost surely, 2^213323289642 is an apocalyptic number.

213323289642 is an abundant number, since it is smaller than the sum of its proper divisors (251609745366).

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

213323289642 is a wasteful number, since it uses less digits than its factorization.

213323289642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41955 (or 41952 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The spelling of 213323289642 in words is "two hundred thirteen billion, three hundred twenty-three million, two hundred eighty-nine thousand, six hundred forty-two".