9812530898 has 4 divisors (see below), whose sum is σ = 14718796350. Its totient is φ = 4906265448.

The previous prime is 9812530873. The next prime is 9812530913. The reversal of 9812530898 is 8980352189.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5069867209 + 4742663689 = 71203^2 + 68867^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2453132723 + ... + 2453132726.

Almost surely, 2^9812530898 is an apocalyptic number.

9812530898 is a deficient number, since it is larger than the sum of its proper divisors (4906265452).

9812530898 is a wasteful number, since it uses less digits than its factorization.

9812530898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4906265451.

The product of its (nonzero) digits is 1244160, while the sum is 53.

The square root of 9812530898 is about 99058.2197397066. The cubic root of 9812530898 is about 2140.8866749605.

The spelling of 9812530898 in words is "nine billion, eight hundred twelve million, five hundred thirty thousand, eight hundred ninety-eight".