213241525566442 has 16 divisors (see below), whose sum is σ = 321796058617152. Its totient is φ = 105977917188000.

The previous prime is 213241525566323. The next prime is 213241525566467. The reversal of 213241525566442 is 244665525142312.

It is a self number, because there is not a number n which added to its sum of digits gives 213241525566442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435878643 + ... + 436367590.

It is an arithmetic number, because the mean of its divisors is an integer number (20112253663572).

Almost surely, 2^{213241525566442} is an apocalyptic number.

213241525566442 is a deficient number, since it is larger than the sum of its proper divisors (108554533050710).

213241525566442 is a wasteful number, since it uses less digits than its factorization.

213241525566442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872246973.

The product of its digits is 13824000, while the sum is 52.

The spelling of 213241525566442 in words is "two hundred thirteen trillion, two hundred forty-one billion, five hundred twenty-five million, five hundred sixty-six thousand, four hundred forty-two".