13286377844 has 6 divisors (see below), whose sum is σ = 23251161234. Its totient is φ = 6643188920.

The previous prime is 13286377837. The next prime is 13286377859. The reversal of 13286377844 is 44877368231.

It can be written as a sum of positive squares in only one way, i.e., 12902688100 + 383689744 = 113590^2 + 19588^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660797227 + ... + 1660797234.

It is an arithmetic number, because the mean of its divisors is an integer number (3875193539).

Almost surely, 2^13286377844 is an apocalyptic number.

It is an amenable number.

13286377844 is a deficient number, since it is larger than the sum of its proper divisors (9964783390).

13286377844 is a wasteful number, since it uses less digits than its factorization.

13286377844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321594465 (or 3321594463 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 53.

The spelling of 13286377844 in words is "thirteen billion, two hundred eighty-six million, three hundred seventy-seven thousand, eight hundred forty-four".