9970943912 has 24 divisors (see below), whose sum is σ = 19318070250. Its totient is φ = 4824646560.

The previous prime is 9970943911. The next prime is 9970943933. The reversal of 9970943912 is 2193490799.

It can be written as a sum of positive squares in only one way, i.e., 9926933956 + 44009956 = 99634^2 + 6634^2 .

It is not an unprimeable number, because it can be changed into a prime (9970943911) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 640787 + ... + 656162.

Almost surely, 2^9970943912 is an apocalyptic number.

It is an amenable number.

9970943912 is a deficient number, since it is larger than the sum of its proper divisors (9347126338).

9970943912 is a wasteful number, since it uses less digits than its factorization.

9970943912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297017 (or 1296982 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 53.

The square root of 9970943912 is about 99854.6138743724. The cubic root of 9970943912 is about 2152.3460176374.

The spelling of 9970943912 in words is "nine billion, nine hundred seventy million, nine hundred forty-three thousand, nine hundred twelve".