9964381192 has 8 divisors (see below), whose sum is σ = 18683214750. Its totient is φ = 4982190592.

The previous prime is 9964381157. The next prime is 9964381247. The reversal of 9964381192 is 2911834699.

It can be written as a sum of positive squares in only one way, i.e., 7115597316 + 2848783876 = 84354^2 + 53374^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622773817 + ... + 622773832.

Almost surely, 2^9964381192 is an apocalyptic number.

It is an amenable number.

9964381192 is a deficient number, since it is larger than the sum of its proper divisors (8718833558).

9964381192 is a wasteful number, since it uses less digits than its factorization.

9964381192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245547655 (or 1245547651 counting only the distinct ones).

The product of its digits is 839808, while the sum is 52.

The square root of 9964381192 is about 99821.7470894995. The cubic root of 9964381192 is about 2151.8737004552.

The spelling of 9964381192 in words is "nine billion, nine hundred sixty-four million, three hundred eighty-one thousand, one hundred ninety-two".