9933933897 has 6 divisors (see below), whose sum is σ = 14349015642. Its totient is φ = 6622622592.

The previous prime is 9933933851. The next prime is 9933933907. The reversal of 9933933897 is 7983393399.

9933933897 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9933909561 + 24336 = 99669^2 + 156^2 .

It is not a de Polignac number, because 9933933897 - 2⁷ = 9933933769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9933923897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 551885208 + ... + 551885225.

It is an arithmetic number, because the mean of its divisors is an integer number (2391502607).

Almost surely, 2^9933933897 is an apocalyptic number.

It is an amenable number.

9933933897 is a deficient number, since it is larger than the sum of its proper divisors (4415081745).

9933933897 is a wasteful number, since it uses less digits than its factorization.

9933933897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103770439 (or 1103770436 counting only the distinct ones).

The product of its digits is 29760696, while the sum is 63.

The square root of 9933933897 is about 99669.1220840236. The cubic root of 9933933897 is about 2149.6796996800.

The spelling of 9933933897 in words is "nine billion, nine hundred thirty-three million, nine hundred thirty-three thousand, eight hundred ninety-seven".