9797497012 has 6 divisors (see below), whose sum is σ = 17145619778. Its totient is φ = 4898748504.

The previous prime is 9797497009. The next prime is 9797497037. The reversal of 9797497012 is 2107947979.

It can be written as a sum of positive squares in only one way, i.e., 5603121316 + 4194375696 = 74854^2 + 64764^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1224687123 + ... + 1224687130.

Almost surely, 2^9797497012 is an apocalyptic number.

It is an amenable number.

9797497012 is a deficient number, since it is larger than the sum of its proper divisors (7348122766).

9797497012 is a wasteful number, since it uses less digits than its factorization.

9797497012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449374257 (or 2449374255 counting only the distinct ones).

The product of its (nonzero) digits is 2000376, while the sum is 55.

The square root of 9797497012 is about 98982.3065603141. The cubic root of 9797497012 is about 2139.7927574660.

The spelling of 9797497012 in words is "nine billion, seven hundred ninety-seven million, four hundred ninety-seven thousand, twelve".