406576478953 has 2 divisors, whose sum is σ = 406576478954. Its totient is φ = 406576478952.

The previous prime is 406576478933. The next prime is 406576478981. The reversal of 406576478953 is 359874675604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 403037061904 + 3539417049 = 634852^2 + 59493^2 .

It is a cyclic number.

It is not a de Polignac number, because 406576478953 - 2⁵ = 406576478921 is a prime.

It is not a weakly prime, because it can be changed into another prime (406576478933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203288239476 + 203288239477.

It is an arithmetic number, because the mean of its divisors is an integer number (203288239477).

Almost surely, 2^406576478953 is an apocalyptic number.

It is an amenable number.

406576478953 is a deficient number, since it is larger than the sum of its proper divisors (1).

406576478953 is an equidigital number, since it uses as much as digits as its factorization.

406576478953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 152409600, while the sum is 64.

The spelling of 406576478953 in words is "four hundred six billion, five hundred seventy-six million, four hundred seventy-eight thousand, nine hundred fifty-three".