16750711993 has 2 divisors, whose sum is σ = 16750711994. Its totient is φ = 16750711992.

The previous prime is 16750711937. The next prime is 16750711997. The reversal of 16750711993 is 39911705761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10994151609 + 5756560384 = 104853^2 + 75872^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16750711993 is a prime.

It is not a weakly prime, because it can be changed into another prime (16750711997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8375355996 + 8375355997.

It is an arithmetic number, because the mean of its divisors is an integer number (8375355997).

Almost surely, 2^16750711993 is an apocalyptic number.

It is an amenable number.

16750711993 is a deficient number, since it is larger than the sum of its proper divisors (1).

16750711993 is an equidigital number, since it uses as much as digits as its factorization.

16750711993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 357210, while the sum is 49.

The spelling of 16750711993 in words is "sixteen billion, seven hundred fifty million, seven hundred eleven thousand, nine hundred ninety-three".