13085724635 has 8 divisors (see below), whose sum is σ = 15753362976. Its totient is φ = 10434917440.

The previous prime is 13085724623. The next prime is 13085724647. The reversal of 13085724635 is 53642758031.

It is an interprime number because it is at equal distance from previous prime (13085724623) and next prime (13085724647).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-13085724635 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4206074 + ... + 4209183.

It is an arithmetic number, because the mean of its divisors is an integer number (1969170372).

Almost surely, 2^13085724635 is an apocalyptic number.

13085724635 is a deficient number, since it is larger than the sum of its proper divisors (2667638341).

13085724635 is an equidigital number, since it uses as much as digits as its factorization.

13085724635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8415573.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 13085724635 in words is "thirteen billion, eighty-five million, seven hundred twenty-four thousand, six hundred thirty-five".