212793673609 has 8 divisors (see below), whose sum is σ = 232469714880. Its totient is φ = 193172826000.

The previous prime is 212793673601. The next prime is 212793673613. The reversal of 212793673609 is 906376397212.

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

It is not a de Polignac number, because 212793673609 - 2³ = 212793673601 is a prime.

It is a super-2 number, since 2×212793673609² (a number of 23 digits) contains 22 as substring.

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 212793673609.

It is not an unprimeable number, because it can be changed into a prime (212793673601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13790349 + ... + 13805770.

It is an arithmetic number, because the mean of its divisors is an integer number (29058714360).

Almost surely, 2^212793673609 is an apocalyptic number.

It is an amenable number.

212793673609 is a deficient number, since it is larger than the sum of its proper divisors (19676041271).

212793673609 is a wasteful number, since it uses less digits than its factorization.

212793673609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27596831.

The product of its (nonzero) digits is 5143824, while the sum is 55.

The spelling of 212793673609 in words is "two hundred twelve billion, seven hundred ninety-three million, six hundred seventy-three thousand, six hundred nine".