16444463603 has 2 divisors, whose sum is σ = 16444463604. Its totient is φ = 16444463602.

The previous prime is 16444463599. The next prime is 16444463671. The reversal of 16444463603 is 30636444461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16444463603 - 2² = 16444463599 is a prime.

It is not a weakly prime, because it can be changed into another prime (16444468603) 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, 8222231801 + 8222231802.

It is an arithmetic number, because the mean of its divisors is an integer number (8222231802).

Almost surely, 2^16444463603 is an apocalyptic number.

16444463603 is a deficient number, since it is larger than the sum of its proper divisors (1).

16444463603 is an equidigital number, since it uses as much as digits as its factorization.

16444463603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 41.

The spelling of 16444463603 in words is "sixteen billion, four hundred forty-four million, four hundred sixty-three thousand, six hundred three".