10513944473 has 2 divisors, whose sum is σ = 10513944474. Its totient is φ = 10513944472.

The previous prime is 10513944449. The next prime is 10513944503. The reversal of 10513944473 is 37444931501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10373829904 + 140114569 = 101852^2 + 11837^2 .

It is an emirp because it is prime and its reverse (37444931501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10513944473 - 2¹⁰ = 10513943449 is a prime.

It is a super-2 number, since 2×10513944473² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10513944473.

It is not a weakly prime, because it can be changed into another prime (10513944073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5256972236 + 5256972237.

It is an arithmetic number, because the mean of its divisors is an integer number (5256972237).

Almost surely, 2^10513944473 is an apocalyptic number.

It is an amenable number.

10513944473 is a deficient number, since it is larger than the sum of its proper divisors (1).

10513944473 is an equidigital number, since it uses as much as digits as its factorization.

10513944473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 10513944473 in words is "ten billion, five hundred thirteen million, nine hundred forty-four thousand, four hundred seventy-three".