16380750389 has 2 divisors, whose sum is σ = 16380750390. Its totient is φ = 16380750388.

The previous prime is 16380750361. The next prime is 16380750403. The reversal of 16380750389 is 98305708361.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14776347364 + 1604403025 = 121558^2 + 40055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16380750389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16380750989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8190375194 + 8190375195.

It is an arithmetic number, because the mean of its divisors is an integer number (8190375195).

Almost surely, 2^16380750389 is an apocalyptic number.

It is an amenable number.

16380750389 is a deficient number, since it is larger than the sum of its proper divisors (1).

16380750389 is an equidigital number, since it uses as much as digits as its factorization.

16380750389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 16380750389 in words is "sixteen billion, three hundred eighty million, seven hundred fifty thousand, three hundred eighty-nine".