10543620613 has 4 divisors (see below), whose sum is σ = 10550350720. Its totient is φ = 10536890508.

The previous prime is 10543620611. The next prime is 10543620617. The reversal of 10543620613 is 31602634501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31602634501 = 23 ⋅1374027587.

It is a cyclic number.

It is not a de Polignac number, because 10543620613 - 2¹ = 10543620611 is a prime.

It is a super-2 number, since 2×10543620613² (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 (10543620611) 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, 3362703 + ... + 3365836.

It is an arithmetic number, because the mean of its divisors is an integer number (2637587680).

Almost surely, 2^10543620613 is an apocalyptic number.

It is an amenable number.

10543620613 is a deficient number, since it is larger than the sum of its proper divisors (6730107).

10543620613 is an equidigital number, since it uses as much as digits as its factorization.

10543620613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6730106.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 10543620613 in words is "ten billion, five hundred forty-three million, six hundred twenty thousand, six hundred thirteen".