535688646013 has 4 divisors (see below), whose sum is σ = 535695676348. Its totient is φ = 535681615680.

The previous prime is 535688646007. The next prime is 535688646019. The reversal of 535688646013 is 310646886535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310646886535 = 5 ⋅62129377307.

It is an interprime number because it is at equal distance from previous prime (535688646007) and next prime (535688646019).

It can be written as a sum of positive squares in 2 ways, for example, as 191727509689 + 343961136324 = 437867^2 + 586482^2 .

It is a cyclic number.

It is not a de Polignac number, because 535688646013 - 2⁹ = 535688645501 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 (535688646019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3399606 + ... + 3553687.

It is an arithmetic number, because the mean of its divisors is an integer number (133923919087).

Almost surely, 2^535688646013 is an apocalyptic number.

It is an amenable number.

535688646013 is a deficient number, since it is larger than the sum of its proper divisors (7030335).

535688646013 is an equidigital number, since it uses as much as digits as its factorization.

535688646013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7030334.

The product of its (nonzero) digits is 12441600, while the sum is 55.

The spelling of 535688646013 in words is "five hundred thirty-five billion, six hundred eighty-eight million, six hundred forty-six thousand, thirteen".