9869946959 has 2 divisors, whose sum is σ = 9869946960. Its totient is φ = 9869946958.

The previous prime is 9869946917. The next prime is 9869946973. The reversal of 9869946959 is 9596499689.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9869946959 - 2⁸ = 9869946703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9869946059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4934973479 + 4934973480.

It is an arithmetic number, because the mean of its divisors is an integer number (4934973480).

Almost surely, 2^9869946959 is an apocalyptic number.

9869946959 is a deficient number, since it is larger than the sum of its proper divisors (1).

9869946959 is an equidigital number, since it uses as much as digits as its factorization.

9869946959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340122240, while the sum is 74.

The square root of 9869946959 is about 99347.6067099757. The cubic root of 9869946959 is about 2145.0542136507.

The spelling of 9869946959 in words is "nine billion, eight hundred sixty-nine million, nine hundred forty-six thousand, nine hundred fifty-nine".