13863414049 has 9 divisors (see below), whose sum is σ = 14633831667. Its totient is φ = 13131641304.

The previous prime is 13863414029. The next prime is 13863414053. The reversal of 13863414049 is 94041436831.

The square root of 13863414049 is 117743.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5448654225 + 8414759824 = 73815^2 + 91732^2 .

It is not a de Polignac number, because 13863414049 - 2⁵ = 13863414017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13863413996 and 13863414014.

It is not an unprimeable number, because it can be changed into a prime (13863414029) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2234019 + ... + 2240215.

Almost surely, 2^13863414049 is an apocalyptic number.

13863414049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13863414049 is the 117743-rd square number.

13863414049 is the 58872-nd centered octagonal number.

It is an amenable number.

13863414049 is a deficient number, since it is larger than the sum of its proper divisors (770417618).

13863414049 is an frugal number, since it uses more digits than its factorization.

13863414049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12432 (or 6216 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 13863414049 in words is "thirteen billion, eight hundred sixty-three million, four hundred fourteen thousand, forty-nine".