4211666495 has 4 divisors (see below), whose sum is σ = 5053999800. Its totient is φ = 3369333192.

The previous prime is 4211666461. The next prime is 4211666527. The reversal of 4211666495 is 5946661124.

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 4211666495 - 2¹⁶ = 4211600959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421166645 + ... + 421166654.

It is an arithmetic number, because the mean of its divisors is an integer number (1263499950).

Almost surely, 2^4211666495 is an apocalyptic number.

4211666495 is a deficient number, since it is larger than the sum of its proper divisors (842333305).

4211666495 is an equidigital number, since it uses as much as digits as its factorization.

4211666495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842333304.

The product of its digits is 311040, while the sum is 44.

The square root of 4211666495 is about 64897.3535284760. The cubic root of 4211666495 is about 1614.9211583719.

The spelling of 4211666495 in words is "four billion, two hundred eleven million, six hundred sixty-six thousand, four hundred ninety-five".