13498691796 has 84 divisors (see below), whose sum is σ = 36375394132. Its totient is φ = 4377919104.

The previous prime is 13498691783. The next prime is 13498691807. The reversal of 13498691796 is 69719689431.

13498691796 is a `hidden beast` number, since 13 + 498 + 69 + 1 + 79 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5473040400 + 8025651396 = 73980^2 + 89586^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 45336 + ... + 170448.

Almost surely, 2^13498691796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13498691796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18187697066).

13498691796 is an abundant number, since it is smaller than the sum of its proper divisors (22876702336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13498691796 is a wasteful number, since it uses less digits than its factorization.

13498691796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125172 (or 125155 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 63.

The spelling of 13498691796 in words is "thirteen billion, four hundred ninety-eight million, six hundred ninety-one thousand, seven hundred ninety-six".