473635693409 has 2 divisors, whose sum is σ = 473635693410. Its totient is φ = 473635693408.

The previous prime is 473635693393. The next prime is 473635693441. The reversal of 473635693409 is 904396536374.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 444985053184 + 28650640225 = 667072^2 + 169265^2 .

It is a cyclic number.

It is not a de Polignac number, because 473635693409 - 2⁴ = 473635693393 is a prime.

It is not a weakly prime, because it can be changed into another prime (473635693009) 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, 236817846704 + 236817846705.

It is an arithmetic number, because the mean of its divisors is an integer number (236817846705).

Almost surely, 2^473635693409 is an apocalyptic number.

It is an amenable number.

473635693409 is a deficient number, since it is larger than the sum of its proper divisors (1).

473635693409 is an equidigital number, since it uses as much as digits as its factorization.

473635693409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44089920, while the sum is 59.

The spelling of 473635693409 in words is "four hundred seventy-three billion, six hundred thirty-five million, six hundred ninety-three thousand, four hundred nine".