9444649473503 has 16 divisors (see below), whose sum is σ = 9650193970176. Its totient is φ = 9241175381760.

The previous prime is 9444649473487. The next prime is 9444649473521. The reversal of 9444649473503 is 3053749464449.

9444649473503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9444649473503 - 2⁴ = 9444649473487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9444649473593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140635313 + ... + 140702453.

It is an arithmetic number, because the mean of its divisors is an integer number (603137123136).

Almost surely, 2^{9444649473503} is an apocalyptic number.

9444649473503 is a deficient number, since it is larger than the sum of its proper divisors (205544496673).

9444649473503 is a wasteful number, since it uses less digits than its factorization.

9444649473503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82514.

The product of its (nonzero) digits is 156764160, while the sum is 62.

The spelling of 9444649473503 in words is "nine trillion, four hundred forty-four billion, six hundred forty-nine million, four hundred seventy-three thousand, five hundred three".