13504835873 has 2 divisors, whose sum is σ = 13504835874. Its totient is φ = 13504835872.

The previous prime is 13504835821. The next prime is 13504835959. The reversal of 13504835873 is 37853840531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7311618064 + 6193217809 = 85508^2 + 78697^2 .

It is a cyclic number.

It is not a de Polignac number, because 13504835873 - 2⁶ = 13504835809 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13504838873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6752417936 + 6752417937.

It is an arithmetic number, because the mean of its divisors is an integer number (6752417937).

Almost surely, 2^13504835873 is an apocalyptic number.

It is an amenable number.

13504835873 is a deficient number, since it is larger than the sum of its proper divisors (1).

13504835873 is an equidigital number, since it uses as much as digits as its factorization.

13504835873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 13504835873 in words is "thirteen billion, five hundred four million, eight hundred thirty-five thousand, eight hundred seventy-three".