944383161553 has 8 divisors (see below), whose sum is σ = 1033700611496. Its totient is φ = 857447510400.

The previous prime is 944383161541. The next prime is 944383161563. The reversal of 944383161553 is 355161383449.

It can be written as a sum of positive squares in 4 ways, for example, as 5127562449 + 939255599104 = 71607^2 + 969152^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 944383161553 - 2¹³ = 944383153361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 944383161553.

It is not an unprimeable number, because it can be changed into a prime (944383161563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595448868 + ... + 595450453.

It is an arithmetic number, because the mean of its divisors is an integer number (129212576437).

Almost surely, 2^944383161553 is an apocalyptic number.

It is an amenable number.

944383161553 is a deficient number, since it is larger than the sum of its proper divisors (89317449943).

944383161553 is a wasteful number, since it uses less digits than its factorization.

944383161553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190899395.

The product of its digits is 4665600, while the sum is 52.

The spelling of 944383161553 in words is "nine hundred forty-four billion, three hundred eighty-three million, one hundred sixty-one thousand, five hundred fifty-three".