13405357773 has 6 divisors (see below), whose sum is σ = 19363294574. Its totient is φ = 8936905176.

The previous prime is 13405357759. The next prime is 13405357843. The reversal of 13405357773 is 37775350431.

13405357773 is a `hidden beast` number, since 1 + 3 + 4 + 0 + 5 + 3 + 577 + 73 = 666.

13405357773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13322238084 + 83119689 = 115422^2 + 9117^2 .

It is not a de Polignac number, because 13405357773 - 2⁸ = 13405357517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13405357073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 744742090 + ... + 744742107.

Almost surely, 2^13405357773 is an apocalyptic number.

It is an amenable number.

13405357773 is a deficient number, since it is larger than the sum of its proper divisors (5957936801).

13405357773 is a wasteful number, since it uses less digits than its factorization.

13405357773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489484203 (or 1489484200 counting only the distinct ones).

The product of its (nonzero) digits is 926100, while the sum is 45.

The spelling of 13405357773 in words is "thirteen billion, four hundred five million, three hundred fifty-seven thousand, seven hundred seventy-three".