13838279377288 has 32 divisors (see below), whose sum is σ = 26082492319800. Its totient is φ = 6882951610368.

The previous prime is 13838279377259. The next prime is 13838279377333. The reversal of 13838279377288 is 88277397283831.

It can be written as a sum of positive squares in 4 ways, for example, as 3490103985124 + 10348175392164 = 1868182^2 + 3216858^2 .

It is a super-2 number, since 2×13838279377288² (a number of 27 digits) contains 22 as substring.

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, 32883468 + ... + 33301636.

Almost surely, 2^{13838279377288} is an apocalyptic number.

It is an amenable number.

13838279377288 is a deficient number, since it is larger than the sum of its proper divisors (12244212942512).

13838279377288 is a wasteful number, since it uses less digits than its factorization.

13838279377288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439801 (or 439797 counting only the distinct ones).

The product of its digits is 1365590016, while the sum is 76.

The spelling of 13838279377288 in words is "thirteen trillion, eight hundred thirty-eight billion, two hundred seventy-nine million, three hundred seventy-seven thousand, two hundred eighty-eight".