10243260613513 has 4 divisors (see below), whose sum is σ = 10244045610900. Its totient is φ = 10242475616128.

The previous prime is 10243260613489. The next prime is 10243260613519. The reversal of 10243260613513 is 31531606234201.

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 5473788989769 + 4769471623744 = 2339613^2 + 2183912^2 .

It is a cyclic number.

It is not a de Polignac number, because 10243260613513 - 2¹³ = 10243260605321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10243260613519) 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, 392479120 + ... + 392505217.

It is an arithmetic number, because the mean of its divisors is an integer number (2561011402725).

Almost surely, 2^{10243260613513} is an apocalyptic number.

It is an amenable number.

10243260613513 is a deficient number, since it is larger than the sum of its proper divisors (784997387).

10243260613513 is an equidigital number, since it uses as much as digits as its factorization.

10243260613513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784997386.

The product of its (nonzero) digits is 77760, while the sum is 37.

Adding to 10243260613513 its reverse (31531606234201), we get a palindrome (41774866847714).

The spelling of 10243260613513 in words is "ten trillion, two hundred forty-three billion, two hundred sixty million, six hundred thirteen thousand, five hundred thirteen".