13931048277 has 16 divisors (see below), whose sum is σ = 20711529280. Its totient is φ = 9254542896.

The previous prime is 13931048239. The next prime is 13931048279. The reversal of 13931048277 is 77284013931.

13931048277 is a `hidden beast` number, since 1 + 3 + 93 + 10 + 482 + 77 = 666.

It is not a de Polignac number, because 13931048277 - 2⁶ = 13931048213 is a prime.

It is a super-2 number, since 2×13931048277² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13931048279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 903958 + ... + 919239.

It is an arithmetic number, because the mean of its divisors is an integer number (1294470580).

Almost surely, 2^13931048277 is an apocalyptic number.

It is an amenable number.

13931048277 is a deficient number, since it is larger than the sum of its proper divisors (6780481003).

13931048277 is a wasteful number, since it uses less digits than its factorization.

13931048277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1823489 (or 1823483 counting only the distinct ones).

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

The spelling of 13931048277 in words is "thirteen billion, nine hundred thirty-one million, forty-eight thousand, two hundred seventy-seven".