804664614973 has 2 divisors, whose sum is σ = 804664614974. Its totient is φ = 804664614972.

The previous prime is 804664614959. The next prime is 804664614997. The reversal of 804664614973 is 379416466408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 441823431204 + 362841183769 = 664698^2 + 602363^2 .

It is a cyclic number.

It is not a de Polignac number, because 804664614973 - 2⁹ = 804664614461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (804664615973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402332307486 + 402332307487.

It is an arithmetic number, because the mean of its divisors is an integer number (402332307487).

Almost surely, 2^804664614973 is an apocalyptic number.

It is an amenable number.

804664614973 is a deficient number, since it is larger than the sum of its proper divisors (1).

804664614973 is an equidigital number, since it uses as much as digits as its factorization.

804664614973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20901888, while the sum is 58.

The spelling of 804664614973 in words is "eight hundred four billion, six hundred sixty-four million, six hundred fourteen thousand, nine hundred seventy-three".