9849629509 has 2 divisors, whose sum is σ = 9849629510. Its totient is φ = 9849629508.

The previous prime is 9849629501. The next prime is 9849629533. The reversal of 9849629509 is 9059269489.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8617408900 + 1232220609 = 92830^2 + 35103^2 .

It is a cyclic number.

It is not a de Polignac number, because 9849629509 - 2³ = 9849629501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9849629501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4924814754 + 4924814755.

It is an arithmetic number, because the mean of its divisors is an integer number (4924814755).

Almost surely, 2^9849629509 is an apocalyptic number.

It is an amenable number.

9849629509 is a deficient number, since it is larger than the sum of its proper divisors (1).

9849629509 is an equidigital number, since it uses as much as digits as its factorization.

9849629509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12597120, while the sum is 61.

The square root of 9849629509 is about 99245.2996821512. The cubic root of 9849629509 is about 2143.5813259395.

The spelling of 9849629509 in words is "nine billion, eight hundred forty-nine million, six hundred twenty-nine thousand, five hundred nine".