15873017473 has 2 divisors, whose sum is σ = 15873017474. Its totient is φ = 15873017472.

The previous prime is 15873017467. The next prime is 15873017477. The reversal of 15873017473 is 37471037851.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15154348609 + 718668864 = 123103^2 + 26808^2 .

It is a cyclic number.

It is not a de Polignac number, because 15873017473 - 2⁹ = 15873016961 is a prime.

It is not a weakly prime, because it can be changed into another prime (15873017477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7936508736 + 7936508737.

It is an arithmetic number, because the mean of its divisors is an integer number (7936508737).

Almost surely, 2^15873017473 is an apocalyptic number.

It is an amenable number.

15873017473 is a deficient number, since it is larger than the sum of its proper divisors (1).

15873017473 is an equidigital number, since it uses as much as digits as its factorization.

15873017473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 15873017473 in words is "fifteen billion, eight hundred seventy-three million, seventeen thousand, four hundred seventy-three".