466978849 has 2 divisors, whose sum is σ = 466978850. Its totient is φ = 466978848.

The previous prime is 466978819. The next prime is 466978877. The reversal of 466978849 is 948879664.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 458816400 + 8162449 = 21420^2 + 2857^2 .

It is a cyclic number.

It is not a de Polignac number, because 466978849 - 2¹⁹ = 466454561 is a prime.

It is not a weakly prime, because it can be changed into another prime (466978819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 233489424 + 233489425.

It is an arithmetic number, because the mean of its divisors is an integer number (233489425).

Almost surely, 2^466978849 is an apocalyptic number.

It is an amenable number.

466978849 is a deficient number, since it is larger than the sum of its proper divisors (1).

466978849 is an equidigital number, since it uses as much as digits as its factorization.

466978849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20901888, while the sum is 61.

The square root of 466978849 is about 21609.6934036557. The cubic root of 466978849 is about 775.8285133383.

The spelling of 466978849 in words is "four hundred sixty-six million, nine hundred seventy-eight thousand, eight hundred forty-nine".