4135666477 has 2 divisors, whose sum is σ = 4135666478. Its totient is φ = 4135666476.

The previous prime is 4135666429. The next prime is 4135666487. The reversal of 4135666477 is 7746665314.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3702235716 + 433430761 = 60846^2 + 20819^2 .

It is a cyclic number.

It is not a de Polignac number, because 4135666477 - 2³¹ = 1988182829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4135666477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4135666487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2067833238 + 2067833239.

It is an arithmetic number, because the mean of its divisors is an integer number (2067833239).

Almost surely, 2^4135666477 is an apocalyptic number.

It is an amenable number.

4135666477 is a deficient number, since it is larger than the sum of its proper divisors (1).

4135666477 is an equidigital number, since it uses as much as digits as its factorization.

4135666477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 49.

The square root of 4135666477 is about 64309.1476929993. The cubic root of 4135666477 is about 1605.1483223272.

The spelling of 4135666477 in words is "four billion, one hundred thirty-five million, six hundred sixty-six thousand, four hundred seventy-seven".