13931487675 has 216 divisors, whose sum is σ = 31884115536. Its totient is φ = 5991874560.

The previous prime is 13931487671. The next prime is 13931487679. The reversal of 13931487675 is 57678413931.

13931487675 is a `hidden beast` number, since 1 + 3 + 93 + 1 + 487 + 6 + 75 = 666.

It is an interprime number because it is at equal distance from previous prime (13931487671) and next prime (13931487679).

It is not a de Polignac number, because 13931487675 - 2² = 13931487671 is a prime.

It is a super-3 number, since 3×13931487675³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13931487671) 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 215 ways as a sum of consecutive naturals, for example, 5059099 + ... + 5061851.

It is an arithmetic number, because the mean of its divisors is an integer number (147611646).

Almost surely, 2^13931487675 is an apocalyptic number.

13931487675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13931487675 is an abundant number, since it is smaller than the sum of its proper divisors (17952627861).

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

13931487675 is a wasteful number, since it uses less digits than its factorization.

13931487675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809 (or 2785 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The spelling of 13931487675 in words is "thirteen billion, nine hundred thirty-one million, four hundred eighty-seven thousand, six hundred seventy-five".