13816549892 has 6 divisors (see below), whose sum is σ = 24178962318. Its totient is φ = 6908274944.

The previous prime is 13816549871. The next prime is 13816549897. The reversal of 13816549892 is 29894561831.

It can be written as a sum of positive squares in only one way, i.e., 7554043396 + 6262506496 = 86914^2 + 79136^2 .

It is not an unprimeable number, because it can be changed into a prime (13816549897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1727068733 + ... + 1727068740.

It is an arithmetic number, because the mean of its divisors is an integer number (4029827053).

Almost surely, 2^13816549892 is an apocalyptic number.

It is an amenable number.

13816549892 is a deficient number, since it is larger than the sum of its proper divisors (10362412426).

13816549892 is a wasteful number, since it uses less digits than its factorization.

13816549892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454137477 (or 3454137475 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 56.

The spelling of 13816549892 in words is "thirteen billion, eight hundred sixteen million, five hundred forty-nine thousand, eight hundred ninety-two".