16323231739 has 2 divisors, whose sum is σ = 16323231740. Its totient is φ = 16323231738.

The previous prime is 16323231737. The next prime is 16323231779. The reversal of 16323231739 is 93713232361.

It is an a-pointer prime, because the next prime (16323231779) can be obtained adding 16323231739 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16323231739 - 2¹ = 16323231737 is a prime.

Together with 16323231737, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16323231737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8161615869 + 8161615870.

It is an arithmetic number, because the mean of its divisors is an integer number (8161615870).

Almost surely, 2^16323231739 is an apocalyptic number.

16323231739 is a deficient number, since it is larger than the sum of its proper divisors (1).

16323231739 is an equidigital number, since it uses as much as digits as its factorization.

16323231739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 40.

The spelling of 16323231739 in words is "sixteen billion, three hundred twenty-three million, two hundred thirty-one thousand, seven hundred thirty-nine".