9800406029 has 2 divisors, whose sum is σ = 9800406030. Its totient is φ = 9800406028.

The previous prime is 9800405983. The next prime is 9800406047. The reversal of 9800406029 is 9206040089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6354481225 + 3445924804 = 79715^2 + 58702^2 .

It is a cyclic number.

It is not a de Polignac number, because 9800406029 - 2²⁰ = 9799357453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9800405983 and 9800406001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9800406059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4900203014 + 4900203015.

It is an arithmetic number, because the mean of its divisors is an integer number (4900203015).

Almost surely, 2^9800406029 is an apocalyptic number.

It is an amenable number.

9800406029 is a deficient number, since it is larger than the sum of its proper divisors (1).

9800406029 is an equidigital number, since it uses as much as digits as its factorization.

9800406029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 9800406029 is about 98997.0001010132. Note that the first 3 decimals coincide. The cubic root of 9800406029 is about 2140.0045148680.

The spelling of 9800406029 in words is "nine billion, eight hundred million, four hundred six thousand, twenty-nine".