16494082973 has 2 divisors, whose sum is σ = 16494082974. Its totient is φ = 16494082972.

The previous prime is 16494082933. The next prime is 16494082991. The reversal of 16494082973 is 37928049461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16410122404 + 83960569 = 128102^2 + 9163^2 .

It is a cyclic number.

It is not a de Polignac number, because 16494082973 - 2⁶ = 16494082909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16494082903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8247041486 + 8247041487.

It is an arithmetic number, because the mean of its divisors is an integer number (8247041487).

Almost surely, 2^16494082973 is an apocalyptic number.

It is an amenable number.

16494082973 is a deficient number, since it is larger than the sum of its proper divisors (1).

16494082973 is an equidigital number, since it uses as much as digits as its factorization.

16494082973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 16494082973 in words is "sixteen billion, four hundred ninety-four million, eighty-two thousand, nine hundred seventy-three".