16381902263 has 2 divisors, whose sum is σ = 16381902264. Its totient is φ = 16381902262.

The previous prime is 16381902161. The next prime is 16381902281. The reversal of 16381902263 is 36220918361.

It is a strong prime.

It is an emirp because it is prime and its reverse (36220918361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16381902263 - 2¹² = 16381898167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16381902263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16381902463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8190951131 + 8190951132.

It is an arithmetic number, because the mean of its divisors is an integer number (8190951132).

Almost surely, 2^16381902263 is an apocalyptic number.

16381902263 is a deficient number, since it is larger than the sum of its proper divisors (1).

16381902263 is an equidigital number, since it uses as much as digits as its factorization.

16381902263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 16381902263 in words is "sixteen billion, three hundred eighty-one million, nine hundred two thousand, two hundred sixty-three".