9968838632 has 8 divisors (see below), whose sum is σ = 18691572450. Its totient is φ = 4984419312.

The previous prime is 9968838631. The next prime is 9968838637. The reversal of 9968838632 is 2368388699.

It can be written as a sum of positive squares in only one way, i.e., 5095960996 + 4872877636 = 71386^2 + 69806^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×9968838632³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (9968838631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623052407 + ... + 623052422.

Almost surely, 2^9968838632 is an apocalyptic number.

It is an amenable number.

9968838632 is a deficient number, since it is larger than the sum of its proper divisors (8722733818).

9968838632 is a wasteful number, since it uses less digits than its factorization.

9968838632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246104835 (or 1246104831 counting only the distinct ones).

The product of its digits is 26873856, while the sum is 62.

The square root of 9968838632 is about 99844.0715916574. The cubic root of 9968838632 is about 2152.1945237896.

The spelling of 9968838632 in words is "nine billion, nine hundred sixty-eight million, eight hundred thirty-eight thousand, six hundred thirty-two".