13102690285 has 4 divisors (see below), whose sum is σ = 15723228348. Its totient is φ = 10482152224.

The previous prime is 13102690283. The next prime is 13102690309. The reversal of 13102690285 is 58209620131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58209620131 = 13 ⋅4477663087.

It can be written as a sum of positive squares in 2 ways, for example, as 7769893609 + 5332796676 = 88147^2 + 73026^2 .

It is a cyclic number.

It is not a de Polignac number, because 13102690285 - 2¹ = 13102690283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13102690283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1310269024 + ... + 1310269033.

It is an arithmetic number, because the mean of its divisors is an integer number (3930807087).

Almost surely, 2^13102690285 is an apocalyptic number.

It is an amenable number.

13102690285 is a deficient number, since it is larger than the sum of its proper divisors (2620538063).

13102690285 is an equidigital number, since it uses as much as digits as its factorization.

13102690285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620538062.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 13102690285 in words is "thirteen billion, one hundred two million, six hundred ninety thousand, two hundred eighty-five".