9869291023 has 2 divisors, whose sum is σ = 9869291024. Its totient is φ = 9869291022.

The previous prime is 9869291009. The next prime is 9869291119. The reversal of 9869291023 is 3201929689.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9869291023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9869291323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4934645511 + 4934645512.

It is an arithmetic number, because the mean of its divisors is an integer number (4934645512).

Almost surely, 2^9869291023 is an apocalyptic number.

9869291023 is a deficient number, since it is larger than the sum of its proper divisors (1).

9869291023 is an equidigital number, since it uses as much as digits as its factorization.

9869291023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 9869291023 is about 99344.3054382082. The cubic root of 9869291023 is about 2145.0066939948.

The spelling of 9869291023 in words is "nine billion, eight hundred sixty-nine million, two hundred ninety-one thousand, twenty-three".