1044453853 has 2 divisors, whose sum is σ = 1044453854. Its totient is φ = 1044453852.

The previous prime is 1044453841. The next prime is 1044453869. The reversal of 1044453853 is 3583544401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1044453124 + 729 = 32318^2 + 27^2 .

It is an emirp because it is prime and its reverse (3583544401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1044453853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1044451853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522226926 + 522226927.

It is an arithmetic number, because the mean of its divisors is an integer number (522226927).

Almost surely, 2^1044453853 is an apocalyptic number.

It is an amenable number.

1044453853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044453853 is an equidigital number, since it uses as much as digits as its factorization.

1044453853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 1044453853 is about 32318.0112785425. The cubic root of 1044453853 is about 1014.6036463570.

The spelling of 1044453853 in words is "one billion, forty-four million, four hundred fifty-three thousand, eight hundred fifty-three".