9800353851 has 12 divisors (see below), whose sum is σ = 13881009912. Its totient is φ = 6149241088.

The previous prime is 9800353847. The next prime is 9800353853. The reversal of 9800353851 is 1583530089.

It is not a de Polignac number, because 9800353851 - 2² = 9800353847 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (9800353853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5651010 + ... + 5652743.

It is an arithmetic number, because the mean of its divisors is an integer number (1156750826).

Almost surely, 2^9800353851 is an apocalyptic number.

9800353851 is a deficient number, since it is larger than the sum of its proper divisors (4080656061).

9800353851 is a wasteful number, since it uses less digits than its factorization.

9800353851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11303790 (or 11303773 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 9800353851 is about 98996.7365674243. The cubic root of 9800353851 is about 2140.0007170202. Note that the first 3 decimals are identical.

The spelling of 9800353851 in words is "nine billion, eight hundred million, three hundred fifty-three thousand, eight hundred fifty-one".