4166889479 has 2 divisors, whose sum is σ = 4166889480. Its totient is φ = 4166889478.

The previous prime is 4166889451. The next prime is 4166889511. The reversal of 4166889479 is 9749886614.

4166889479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4166889479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4166889439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2083444739 + 2083444740.

It is an arithmetic number, because the mean of its divisors is an integer number (2083444740).

Almost surely, 2^4166889479 is an apocalyptic number.

4166889479 is a deficient number, since it is larger than the sum of its proper divisors (1).

4166889479 is an equidigital number, since it uses as much as digits as its factorization.

4166889479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20901888, while the sum is 62.

The square root of 4166889479 is about 64551.4483106305. The cubic root of 4166889479 is about 1609.1776568905.

The spelling of 4166889479 in words is "four billion, one hundred sixty-six million, eight hundred eighty-nine thousand, four hundred seventy-nine".