13863347749 has 8 divisors (see below), whose sum is σ = 14061091968. Its totient is φ = 13665672720.

The previous prime is 13863347737. The next prime is 13863347759. The reversal of 13863347749 is 94774336831.

13863347749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13863347749 - 2²¹ = 13861250597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13863347749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13863347759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492319 + ... + 519715.

It is an arithmetic number, because the mean of its divisors is an integer number (1757636496).

Almost surely, 2^13863347749 is an apocalyptic number.

It is an amenable number.

13863347749 is a deficient number, since it is larger than the sum of its proper divisors (197744219).

13863347749 is an equidigital number, since it uses as much as digits as its factorization.

13863347749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34595.

The product of its digits is 9144576, while the sum is 55.

The spelling of 13863347749 in words is "thirteen billion, eight hundred sixty-three million, three hundred forty-seven thousand, seven hundred forty-nine".