16493396473 has 2 divisors, whose sum is σ = 16493396474. Its totient is φ = 16493396472.

The previous prime is 16493396467. The next prime is 16493396477. The reversal of 16493396473 is 37469339461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16428061584 + 65334889 = 128172^2 + 8083^2 .

It is a cyclic number.

It is not a de Polignac number, because 16493396473 - 2¹⁷ = 16493265401 is a prime.

It is not a weakly prime, because it can be changed into another prime (16493396477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8246698236 + 8246698237.

It is an arithmetic number, because the mean of its divisors is an integer number (8246698237).

Almost surely, 2^16493396473 is an apocalyptic number.

It is an amenable number.

16493396473 is a deficient number, since it is larger than the sum of its proper divisors (1).

16493396473 is an equidigital number, since it uses as much as digits as its factorization.

16493396473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8817984, while the sum is 55.

The spelling of 16493396473 in words is "sixteen billion, four hundred ninety-three million, three hundred ninety-six thousand, four hundred seventy-three".