4452178364857 has 2 divisors, whose sum is σ = 4452178364858. Its totient is φ = 4452178364856.

The previous prime is 4452178364833. The next prime is 4452178364867. The reversal of 4452178364857 is 7584638712544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2517620063401 + 1934558301456 = 1586701^2 + 1390884^2 .

It is a cyclic number.

It is not a de Polignac number, because 4452178364857 - 2¹⁹ = 4452177840569 is a prime.

It is not a weakly prime, because it can be changed into another prime (4452178364807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2226089182428 + 2226089182429.

It is an arithmetic number, because the mean of its divisors is an integer number (2226089182429).

Almost surely, 2^{4452178364857} is an apocalyptic number.

It is an amenable number.

4452178364857 is a deficient number, since it is larger than the sum of its proper divisors (1).

4452178364857 is an equidigital number, since it uses as much as digits as its factorization.

4452178364857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180633600, while the sum is 64.

The spelling of 4452178364857 in words is "four trillion, four hundred fifty-two billion, one hundred seventy-eight million, three hundred sixty-four thousand, eight hundred fifty-seven".