16932905989 has 2 divisors, whose sum is σ = 16932905990. Its totient is φ = 16932905988.

The previous prime is 16932905953. The next prime is 16932906007. The reversal of 16932905989 is 98950923961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16841550625 + 91355364 = 129775^2 + 9558^2 .

It is an emirp because it is prime and its reverse (98950923961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16932905989 - 2⁹ = 16932905477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16932005989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8466452994 + 8466452995.

It is an arithmetic number, because the mean of its divisors is an integer number (8466452995).

Almost surely, 2^16932905989 is an apocalyptic number.

It is an amenable number.

16932905989 is a deficient number, since it is larger than the sum of its proper divisors (1).

16932905989 is an equidigital number, since it uses as much as digits as its factorization.

16932905989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9447840, while the sum is 61.

The spelling of 16932905989 in words is "sixteen billion, nine hundred thirty-two million, nine hundred five thousand, nine hundred eighty-nine".