431986764050 has 12 divisors (see below), whose sum is σ = 803495381226. Its totient is φ = 172794705600.

The previous prime is 431986764043. The next prime is 431986764067. The reversal of 431986764050 is 50467689134.

It is a Cunningham number, because it is equal to 657257²+1.

It can be written as a sum of positive squares in 3 ways, for example, as 398119355089 + 33867408961 = 630967^2 + 184031^2 .

It is a super-2 number, since 2×431986764050² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431986763983 and 431986764001.

It is an unprimeable number.

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, 4319867591 + ... + 4319867690.

Almost surely, 2^431986764050 is an apocalyptic number.

431986764050 is a deficient number, since it is larger than the sum of its proper divisors (371508617176).

431986764050 is a wasteful number, since it uses less digits than its factorization.

431986764050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8639735293 (or 8639735288 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 431986764050 in words is "four hundred thirty-one billion, nine hundred eighty-six million, seven hundred sixty-four thousand, fifty".