4211666493 has 24 divisors (see below), whose sum is σ = 5850646368. Its totient is φ = 2694192000.

The previous prime is 4211666461. The next prime is 4211666527. The reversal of 4211666493 is 3946661124.

It is a happy number.

It is not a de Polignac number, because 4211666493 - 2⁵ = 4211666461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4211666993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 300778 + ... + 314468.

It is an arithmetic number, because the mean of its divisors is an integer number (243776932).

Almost surely, 2^4211666493 is an apocalyptic number.

It is an amenable number.

4211666493 is a deficient number, since it is larger than the sum of its proper divisors (1638979875).

4211666493 is a wasteful number, since it uses less digits than its factorization.

4211666493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13837 (or 13796 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 4211666493 is about 64897.3535130671. The cubic root of 4211666493 is about 1614.9211581163.

The spelling of 4211666493 in words is "four billion, two hundred eleven million, six hundred sixty-six thousand, four hundred ninety-three".