212846431859 has 4 divisors (see below), whose sum is σ = 212857748880. Its totient is φ = 212835114840.

The previous prime is 212846431813. The next prime is 212846431873. The reversal of 212846431859 is 958134648212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212846431859 - 2¹⁶ = 212846366323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212846431859.

It is not an unprimeable number, because it can be changed into a prime (212846421859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5630252 + ... + 5667929.

It is an arithmetic number, because the mean of its divisors is an integer number (53214437220).

Almost surely, 2^212846431859 is an apocalyptic number.

212846431859 is a deficient number, since it is larger than the sum of its proper divisors (11317021).

212846431859 is a wasteful number, since it uses less digits than its factorization.

212846431859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11317020.

The product of its digits is 3317760, while the sum is 53.

The spelling of 212846431859 in words is "two hundred twelve billion, eight hundred forty-six million, four hundred thirty-one thousand, eight hundred fifty-nine".