16247637433 has 2 divisors, whose sum is σ = 16247637434. Its totient is φ = 16247637432.

The previous prime is 16247637421. The next prime is 16247637451. The reversal of 16247637433 is 33473674261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16222607424 + 25030009 = 127368^2 + 5003^2 .

It is a cyclic number.

It is not a de Polignac number, because 16247637433 - 2⁵ = 16247637401 is a prime.

It is not a weakly prime, because it can be changed into another prime (16247637473) 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, 8123818716 + 8123818717.

It is an arithmetic number, because the mean of its divisors is an integer number (8123818717).

Almost surely, 2^16247637433 is an apocalyptic number.

It is an amenable number.

16247637433 is a deficient number, since it is larger than the sum of its proper divisors (1).

16247637433 is an equidigital number, since it uses as much as digits as its factorization.

16247637433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 46.

The spelling of 16247637433 in words is "sixteen billion, two hundred forty-seven million, six hundred thirty-seven thousand, four hundred thirty-three".