1040651535653 has 4 divisors (see below), whose sum is σ = 1041107763948. Its totient is φ = 1040195307360.

The previous prime is 1040651535527. The next prime is 1040651535661. The reversal of 1040651535653 is 3565351560401.

It is a happy number.

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 733184612644 + 307466923009 = 856262^2 + 554497^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040651535653 - 2²⁴ = 1040634758437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040651531653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228110726 + ... + 228115287.

It is an arithmetic number, because the mean of its divisors is an integer number (260276940987).

Almost surely, 2^{1040651535653} is an apocalyptic number.

It is an amenable number.

1040651535653 is a deficient number, since it is larger than the sum of its proper divisors (456228295).

1040651535653 is an equidigital number, since it uses as much as digits as its factorization.

1040651535653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456228294.

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 1040651535653 in words is "one trillion, forty billion, six hundred fifty-one million, five hundred thirty-five thousand, six hundred fifty-three".