16243764249 has 16 divisors (see below), whose sum is σ = 22136353344. Its totient is φ = 10592760000.

The previous prime is 16243764241. The next prime is 16243764377. The reversal of 16243764249 is 94246734261.

It is not a de Polignac number, because 16243764249 - 2³ = 16243764241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16243764198 and 16243764207.

It is not an unprimeable number, because it can be changed into a prime (16243764241) 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, 297802 + ... + 348099.

It is an arithmetic number, because the mean of its divisors is an integer number (1383522084).

Almost surely, 2^16243764249 is an apocalyptic number.

It is an amenable number.

16243764249 is a deficient number, since it is larger than the sum of its proper divisors (5892589095).

16243764249 is a wasteful number, since it uses less digits than its factorization.

16243764249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646088.

The product of its digits is 1741824, while the sum is 48.

The spelling of 16243764249 in words is "sixteen billion, two hundred forty-three million, seven hundred sixty-four thousand, two hundred forty-nine".