2044551430553 has 8 divisors (see below), whose sum is σ = 2164840450920. Its totient is φ = 1924264775680.

The previous prime is 2044551430529. The next prime is 2044551430609. The reversal of 2044551430553 is 3550341554402.

It can be written as a sum of positive squares in 4 ways, for example, as 431224682329 + 1613326748224 = 656677^2 + 1270168^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2044551430553 - 2²⁰ = 2044550381977 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 2044551430553.

It is not an unprimeable number, because it can be changed into a prime (2044551430153) 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, 1374953 + ... + 2445321.

It is an arithmetic number, because the mean of its divisors is an integer number (270605056365).

Almost surely, 2^{2044551430553} is an apocalyptic number.

It is an amenable number.

2044551430553 is a deficient number, since it is larger than the sum of its proper divisors (120289020367).

2044551430553 is a wasteful number, since it uses less digits than its factorization.

2044551430553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182747.

The product of its (nonzero) digits is 720000, while the sum is 41.

Adding to 2044551430553 its reverse (3550341554402), we get a palindrome (5594892984955).

The spelling of 2044551430553 in words is "two trillion, forty-four billion, five hundred fifty-one million, four hundred thirty thousand, five hundred fifty-three".