13813338771 has 6 divisors (see below), whose sum is σ = 19952600460. Its totient is φ = 9208892508.

The previous prime is 13813338727. The next prime is 13813338779. The reversal of 13813338771 is 17783331831.

13813338771 is a `hidden beast` number, since 138 + 133 + 387 + 7 + 1 = 666.

It is not a de Polignac number, because 13813338771 - 2¹⁷ = 13813207699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13813338779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 767407701 + ... + 767407718.

It is an arithmetic number, because the mean of its divisors is an integer number (3325433410).

Almost surely, 2^13813338771 is an apocalyptic number.

13813338771 is a deficient number, since it is larger than the sum of its proper divisors (6139261689).

13813338771 is a wasteful number, since it uses less digits than its factorization.

13813338771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534815425 (or 1534815422 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The spelling of 13813338771 in words is "thirteen billion, eight hundred thirteen million, three hundred thirty-eight thousand, seven hundred seventy-one".