50431013405 has 4 divisors (see below), whose sum is σ = 60517216092. Its totient is φ = 40344810720.

The previous prime is 50431013389. The next prime is 50431013441.

50431013405 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35147625529 + 15283387876 = 187477^2 + 123626^2 .

It is not a de Polignac number, because 50431013405 - 2⁴ = 50431013389 is a prime.

It is a super-2 number, since 2×50431013405² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5043101336 + ... + 5043101345.

It is an arithmetic number, because the mean of its divisors is an integer number (15129304023).

Almost surely, 2^50431013405 is an apocalyptic number.

It is an amenable number.

50431013405 is a deficient number, since it is larger than the sum of its proper divisors (10086202687).

50431013405 is a wasteful number, since it uses less digits than its factorization.

50431013405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10086202686.

The product of its (nonzero) digits is 3600, while the sum is 26.

It can be divided in two parts, 504310 and 13405, that added together give a palindrome (517715).

The spelling of 50431013405 in words is "fifty billion, four hundred thirty-one million, thirteen thousand, four hundred five".