4123966477 has 2 divisors, whose sum is σ = 4123966478. Its totient is φ = 4123966476.

The previous prime is 4123966463. The next prime is 4123966499. The reversal of 4123966477 is 7746693214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3101821636 + 1022144841 = 55694^2 + 31971^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4123966477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4123966477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4123966577) 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 as a sum of consecutive naturals, namely, 2061983238 + 2061983239.

It is an arithmetic number, because the mean of its divisors is an integer number (2061983239).

Almost surely, 2^4123966477 is an apocalyptic number.

It is an amenable number.

4123966477 is a deficient number, since it is larger than the sum of its proper divisors (1).

4123966477 is an equidigital number, since it uses as much as digits as its factorization.

4123966477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 49.

The square root of 4123966477 is about 64218.1164236386. The cubic root of 4123966477 is about 1603.6332119714.

The spelling of 4123966477 in words is "four billion, one hundred twenty-three million, nine hundred sixty-six thousand, four hundred seventy-seven".