1040143433453 has 4 divisors (see below), whose sum is σ = 1059768781308. Its totient is φ = 1020518085600.

The previous prime is 1040143433449. The next prime is 1040143433477. The reversal of 1040143433453 is 3543343410401.

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 425993793124 + 614149640329 = 652682^2 + 783677^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040143433453 - 2² = 1040143433449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040143432453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9812673848 + ... + 9812673953.

It is an arithmetic number, because the mean of its divisors is an integer number (264942195327).

Almost surely, 2^{1040143433453} is an apocalyptic number.

It is an amenable number.

1040143433453 is a deficient number, since it is larger than the sum of its proper divisors (19625347855).

1040143433453 is an equidigital number, since it uses as much as digits as its factorization.

1040143433453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19625347854.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 1040143433453 its reverse (3543343410401), we get a palindrome (4583486843854).

The spelling of 1040143433453 in words is "one trillion, forty billion, one hundred forty-three million, four hundred thirty-three thousand, four hundred fifty-three".