9817136946 has 24 divisors (see below), whose sum is σ = 21327503340. Its totient is φ = 3263603616.

The previous prime is 9817136921. The next prime is 9817136963. The reversal of 9817136946 is 6496317189.

It can be written as a sum of positive squares in 2 ways, for example, as 9690236721 + 126900225 = 98439^2 + 11265^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9817136892 and 9817136901.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 724381 + ... + 737808.

Almost surely, 2^9817136946 is an apocalyptic number.

9817136946 is an abundant number, since it is smaller than the sum of its proper divisors (11510366394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9817136946 is a wasteful number, since it uses less digits than its factorization.

9817136946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462570 (or 1462567 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 9817136946 is about 99081.4662083682. The cubic root of 9817136946 is about 2141.2216033072.

The spelling of 9817136946 in words is "nine billion, eight hundred seventeen million, one hundred thirty-six thousand, nine hundred forty-six".