9798947126930 has 16 divisors (see below), whose sum is σ = 18994882123224. Its totient is φ = 3618072785280.

The previous prime is 9798947126923. The next prime is 9798947126939. The reversal of 9798947126930 is 396217498979.

It is a Cunningham number, because it is equal to 3130327²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 3527623970809 + 6271323156121 = 1878197^2 + 2504261^2 .

It is not an unprimeable number, because it can be changed into a prime (9798947126939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37688258051 + ... + 37688258310.

Almost surely, 2^{9798947126930} is an apocalyptic number.

9798947126930 is a deficient number, since it is larger than the sum of its proper divisors (9195934996294).

9798947126930 is a wasteful number, since it uses less digits than its factorization.

9798947126930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75376516381.

The product of its (nonzero) digits is 370355328, while the sum is 74.

The spelling of 9798947126930 in words is "nine trillion, seven hundred ninety-eight billion, nine hundred forty-seven million, one hundred twenty-six thousand, nine hundred thirty".