16302988249 has 2 divisors, whose sum is σ = 16302988250. Its totient is φ = 16302988248.

The previous prime is 16302988243. The next prime is 16302988291. The reversal of 16302988249 is 94288920361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11915250649 + 4387737600 = 109157^2 + 66240^2 .

It is an emirp because it is prime and its reverse (94288920361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16302988249 - 2³ = 16302988241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16302988196 and 16302988205.

It is not a weakly prime, because it can be changed into another prime (16302988241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8151494124 + 8151494125.

It is an arithmetic number, because the mean of its divisors is an integer number (8151494125).

Almost surely, 2^16302988249 is an apocalyptic number.

It is an amenable number.

16302988249 is a deficient number, since it is larger than the sum of its proper divisors (1).

16302988249 is an equidigital number, since it uses as much as digits as its factorization.

16302988249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 16302988249 in words is "sixteen billion, three hundred two million, nine hundred eighty-eight thousand, two hundred forty-nine".