2044552035491 has 4 divisors (see below), whose sum is σ = 2336630897712. Its totient is φ = 1752473173272.

The previous prime is 2044552035469. The next prime is 2044552035499. The reversal of 2044552035491 is 1945302554402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2044552035491 - 2³⁰ = 2043478293667 is a prime.

It is a super-2 number, since 2×2044552035491² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2044552035499) 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 in 3 ways as a sum of consecutive naturals, for example, 146039431100 + ... + 146039431113.

It is an arithmetic number, because the mean of its divisors is an integer number (584157724428).

Almost surely, 2^{2044552035491} is an apocalyptic number.

2044552035491 is a deficient number, since it is larger than the sum of its proper divisors (292078862221).

2044552035491 is an equidigital number, since it uses as much as digits as its factorization.

2044552035491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292078862220.

The product of its (nonzero) digits is 864000, while the sum is 44.

Adding to 2044552035491 its reverse (1945302554402), we get a palindrome (3989854589893).

The spelling of 2044552035491 in words is "two trillion, forty-four billion, five hundred fifty-two million, thirty-five thousand, four hundred ninety-one".