213562555242 has 8 divisors (see below), whose sum is σ = 427125110496. Its totient is φ = 71187518412.

The previous prime is 213562555237. The next prime is 213562555259. The reversal of 213562555242 is 242555265312.

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

213562555242 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 213562555194 and 213562555203.

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, 17796879598 + ... + 17796879609.

It is an arithmetic number, because the mean of its divisors is an integer number (53390638812).

Almost surely, 2^213562555242 is an apocalyptic number.

213562555242 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.

213562555242 is a wasteful number, since it uses less digits than its factorization.

213562555242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35593759212.

The product of its digits is 720000, while the sum is 42.

The spelling of 213562555242 in words is "two hundred thirteen billion, five hundred sixty-two million, five hundred fifty-five thousand, two hundred forty-two".