1044043453 has 2 divisors, whose sum is σ = 1044043454. Its totient is φ = 1044043452.

The previous prime is 1044043421. The next prime is 1044043459. The reversal of 1044043453 is 3543404401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1042837849 + 1205604 = 32293^2 + 1098^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044043453 - 2⁵ = 1044043421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1044043459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522021726 + 522021727.

It is an arithmetic number, because the mean of its divisors is an integer number (522021727).

Almost surely, 2^1044043453 is an apocalyptic number.

It is an amenable number.

1044043453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044043453 is an equidigital number, since it uses as much as digits as its factorization.

1044043453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 1044043453 is about 32311.6612541045. The cubic root of 1044043453 is about 1014.4707386543.

Adding to 1044043453 its reverse (3543404401), we get a palindrome (4587447854).

The spelling of 1044043453 in words is "one billion, forty-four million, forty-three thousand, four hundred fifty-three".