10503435013 has 4 divisors (see below), whose sum is σ = 10556752140. Its totient is φ = 10450117888.

The previous prime is 10503434987. The next prime is 10503435037. The reversal of 10503435013 is 31053430501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31053430501 = 19 ⋅1634391079.

It can be written as a sum of positive squares in 2 ways, for example, as 9670362244 + 833072769 = 98338^2 + 28863^2 .

It is a cyclic number.

It is not a de Polignac number, because 10503435013 - 2¹³ = 10503426821 is a prime.

It is a super-2 number, since 2×10503435013² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10503435913) 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, 26658268 + ... + 26658661.

It is an arithmetic number, because the mean of its divisors is an integer number (2639188035).

Almost surely, 2^10503435013 is an apocalyptic number.

It is an amenable number.

10503435013 is a deficient number, since it is larger than the sum of its proper divisors (53317127).

10503435013 is an equidigital number, since it uses as much as digits as its factorization.

10503435013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53317126.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 10503435013 its reverse (31053430501), we get a palindrome (41556865514).

The spelling of 10503435013 in words is "ten billion, five hundred three million, four hundred thirty-five thousand, thirteen".