213553245342 has 8 divisors (see below), whose sum is σ = 427106490696. Its totient is φ = 71184415112.

The previous prime is 213553245313. The next prime is 213553245397. The reversal of 213553245342 is 243542355312.

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

213553245342 is an admirable number.

It is a super-2 number, since 2×213553245342² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 213553245342.

It is a congruent number.

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, 17796103773 + ... + 17796103784.

It is an arithmetic number, because the mean of its divisors is an integer number (53388311337).

Almost surely, 2^213553245342 is an apocalyptic number.

213553245342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

213553245342 is a wasteful number, since it uses less digits than its factorization.

213553245342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35592207562.

The product of its digits is 432000, while the sum is 39.

The spelling of 213553245342 in words is "two hundred thirteen billion, five hundred fifty-three million, two hundred forty-five thousand, three hundred forty-two".