9856970933 has 2 divisors, whose sum is σ = 9856970934. Its totient is φ = 9856970932.

The previous prime is 9856970909. The next prime is 9856970953. The reversal of 9856970933 is 3390796589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7992717604 + 1864253329 = 89402^2 + 43177^2 .

It is a cyclic number.

It is not a de Polignac number, because 9856970933 - 2⁶ = 9856970869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9856970953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4928485466 + 4928485467.

It is an arithmetic number, because the mean of its divisors is an integer number (4928485467).

Almost surely, 2^9856970933 is an apocalyptic number.

It is an amenable number.

9856970933 is a deficient number, since it is larger than the sum of its proper divisors (1).

9856970933 is an equidigital number, since it uses as much as digits as its factorization.

9856970933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11022480, while the sum is 59.

The square root of 9856970933 is about 99282.2790481766. The cubic root of 9856970933 is about 2144.1137666488.

The spelling of 9856970933 in words is "nine billion, eight hundred fifty-six million, nine hundred seventy thousand, nine hundred thirty-three".