7831630650538 has 32 divisors (see below), whose sum is σ = 12554684326800. Its totient is φ = 3651051331584.

The previous prime is 7831630650533. The next prime is 7831630650577. The reversal of 7831630650538 is 8350560361387.

It can be written as a sum of positive squares in 8 ways, for example, as 1894138380729 + 5937492269809 = 1376277^2 + 2436697^2 .

It is a super-2 number, since 2×7831630650538² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7831630650533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22392306 + ... + 22739362.

Almost surely, 2^{7831630650538} is an apocalyptic number.

7831630650538 is a deficient number, since it is larger than the sum of its proper divisors (4723053676262).

7831630650538 is a wasteful number, since it uses less digits than its factorization.

7831630650538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353274.

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 7831630650538 in words is "seven trillion, eight hundred thirty-one billion, six hundred thirty million, six hundred fifty thousand, five hundred thirty-eight".