6669379211 has 16 divisors (see below), whose sum is σ = 7311340800. Its totient is φ = 6033437280.

The previous prime is 6669379201. The next prime is 6669379243. The reversal of 6669379211 is 1129739666.

It is a cyclic number.

It is not a de Polignac number, because 6669379211 - 2⁶ = 6669379147 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 6669379211.

It is not an unprimeable number, because it can be changed into a prime (6669379201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2284925 + ... + 2287841.

It is an arithmetic number, because the mean of its divisors is an integer number (456958800).

Almost surely, 2^6669379211 is an apocalyptic number.

6669379211 is a deficient number, since it is larger than the sum of its proper divisors (641961589).

6669379211 is a wasteful number, since it uses less digits than its factorization.

6669379211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3874.

The product of its digits is 734832, while the sum is 50.

The square root of 6669379211 is about 81666.2672772547. The cubic root of 6669379211 is about 1882.3272833444.

The spelling of 6669379211 in words is "six billion, six hundred sixty-nine million, three hundred seventy-nine thousand, two hundred eleven".