9812839274 has 24 divisors (see below), whose sum is σ = 17245609920. Its totient is φ = 4175241336.

The previous prime is 9812839261. The next prime is 9812839279. The reversal of 9812839274 is 4729382189.

It is not an unprimeable number, because it can be changed into a prime (9812839279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346562 + ... + 373805.

It is an arithmetic number, because the mean of its divisors is an integer number (718567080).

Almost surely, 2^9812839274 is an apocalyptic number.

9812839274 is a deficient number, since it is larger than the sum of its proper divisors (7432770646).

9812839274 is a wasteful number, since it uses less digits than its factorization.

9812839274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720522 (or 720515 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 53.

The square root of 9812839274 is about 99059.7762666563. The cubic root of 9812839274 is about 2140.9091017656.

The spelling of 9812839274 in words is "nine billion, eight hundred twelve million, eight hundred thirty-nine thousand, two hundred seventy-four".