9980835250 has 48 divisors (see below), whose sum is σ = 19013923656. Its totient is φ = 3922032000.

The previous prime is 9980835233. The next prime is 9980835253. The reversal of 9980835250 is 525380899.

It can be written as a sum of positive squares in 12 ways, for example, as 68442529 + 9912392721 = 8273^2 + 99561^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9980835194 and 9980835203.

It is not an unprimeable number, because it can be changed into a prime (9980835253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12336846 + ... + 12337654.

Almost surely, 2^9980835250 is an apocalyptic number.

9980835250 is a deficient number, since it is larger than the sum of its proper divisors (9033088406).

9980835250 is an frugal number, since it uses more digits than its factorization.

9980835250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 49.

The square root of 9980835250 is about 99904.1302949983. The cubic root of 9980835250 is about 2153.0575031346.

The spelling of 9980835250 in words is "nine billion, nine hundred eighty million, eight hundred thirty-five thousand, two hundred fifty".