9801137233 has 2 divisors, whose sum is σ = 9801137234. Its totient is φ = 9801137232.

The previous prime is 9801137219. The next prime is 9801137249. The reversal of 9801137233 is 3327311089.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5343171409 + 4457965824 = 73097^2 + 66768^2 .

It is a cyclic number.

It is not a de Polignac number, because 9801137233 - 2⁹ = 9801136721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9801137192 and 9801137201.

It is not a weakly prime, because it can be changed into another prime (9801137273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4900568616 + 4900568617.

It is an arithmetic number, because the mean of its divisors is an integer number (4900568617).

Almost surely, 2^9801137233 is an apocalyptic number.

It is an amenable number.

9801137233 is a deficient number, since it is larger than the sum of its proper divisors (1).

9801137233 is an equidigital number, since it uses as much as digits as its factorization.

9801137233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 9801137233 is about 99000.6930935334. The cubic root of 9801137233 is about 2140.0577351442.

The spelling of 9801137233 in words is "nine billion, eight hundred one million, one hundred thirty-seven thousand, two hundred thirty-three".