10543420013 has 24 divisors (see below), whose sum is σ = 12691275264. Its totient is φ = 8724391200.

The previous prime is 10543419973. The next prime is 10543420033. The reversal of 10543420013 is 31002434501.

It is a de Polignac number, because none of the positive numbers 2^k-10543420013 is a prime.

It is a super-2 number, since 2×10543420013² (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 (10543420033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 631256 + ... + 647742.

It is an arithmetic number, because the mean of its divisors is an integer number (528803136).

Almost surely, 2^10543420013 is an apocalyptic number.

It is an amenable number.

10543420013 is a deficient number, since it is larger than the sum of its proper divisors (2147855251).

10543420013 is a wasteful number, since it uses less digits than its factorization.

10543420013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16953 (or 16946 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 10543420013 its reverse (31002434501), we get a palindrome (41545854514).

The spelling of 10543420013 in words is "ten billion, five hundred forty-three million, four hundred twenty thousand, thirteen".