213446711442 has 32 divisors (see below), whose sum is σ = 432993964608. Its totient is φ = 70133285376.

The previous prime is 213446711431. The next prime is 213446711483. The reversal of 213446711442 is 244117644312.

It is a self number, because there is not a number n which added to its sum of digits gives 213446711442.

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 15 ways as a sum of consecutive naturals, for example, 613258 + ... + 896090.

It is an arithmetic number, because the mean of its divisors is an integer number (13531061394).

Almost surely, 2^213446711442 is an apocalyptic number.

213446711442 is an abundant number, since it is smaller than the sum of its proper divisors (219547253166).

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

213446711442 is a wasteful number, since it uses less digits than its factorization.

213446711442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284634.

The product of its digits is 129024, while the sum is 39.

The spelling of 213446711442 in words is "two hundred thirteen billion, four hundred forty-six million, seven hundred eleven thousand, four hundred forty-two".