1044351045653 has 4 divisors (see below), whose sum is σ = 1044353875980. Its totient is φ = 1044348215328.

The previous prime is 1044351045649. The next prime is 1044351045691. The reversal of 1044351045653 is 3565401534401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1036635531409 + 7715514244 = 1018153^2 + 87838^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044351045653 - 2² = 1044351045649 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 1044351045653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044351045053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760838 + ... + 1633271.

It is an arithmetic number, because the mean of its divisors is an integer number (261088468995).

Almost surely, 2^{1044351045653} is an apocalyptic number.

It is an amenable number.

1044351045653 is a deficient number, since it is larger than the sum of its proper divisors (2830327).

1044351045653 is an equidigital number, since it uses as much as digits as its factorization.

1044351045653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830326.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 1044351045653 in words is "one trillion, forty-four billion, three hundred fifty-one million, forty-five thousand, six hundred fifty-three".