1040204335013 has 4 divisors (see below), whose sum is σ = 1040225456928. Its totient is φ = 1040183213100.

The previous prime is 1040204334997. The next prime is 1040204335073. The reversal of 1040204335013 is 3105334020401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1040204335013 - 2⁴ = 1040204334997 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 (1040204335073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10486913 + ... + 10585638.

It is an arithmetic number, because the mean of its divisors is an integer number (260056364232).

Almost surely, 2^{1040204335013} is an apocalyptic number.

It is an amenable number.

1040204335013 is a deficient number, since it is larger than the sum of its proper divisors (21121915).

1040204335013 is an equidigital number, since it uses as much as digits as its factorization.

1040204335013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21121914.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 1040204335013 its reverse (3105334020401), we get a palindrome (4145538355414).

The spelling of 1040204335013 in words is "one trillion, forty billion, two hundred four million, three hundred thirty-five thousand, thirteen".