211710660479 has 8 divisors (see below), whose sum is σ = 223058365440. Its totient is φ = 200383459416.

The previous prime is 211710660463. The next prime is 211710660509. The reversal of 211710660479 is 974066017112.

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

It is not a de Polignac number, because 211710660479 - 2⁴ = 211710660463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211710660979) 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, 5104769 + ... + 5146074.

It is an arithmetic number, because the mean of its divisors is an integer number (27882295680).

Almost surely, 2^211710660479 is an apocalyptic number.

211710660479 is a deficient number, since it is larger than the sum of its proper divisors (11347704961).

211710660479 is a wasteful number, since it uses less digits than its factorization.

211710660479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10251949.

The product of its (nonzero) digits is 127008, while the sum is 44.

The spelling of 211710660479 in words is "two hundred eleven billion, seven hundred ten million, six hundred sixty thousand, four hundred seventy-nine".