9818868244 has 6 divisors (see below), whose sum is σ = 17183019434. Its totient is φ = 4909434120.

The previous prime is 9818868197. The next prime is 9818868263. The reversal of 9818868244 is 4428688189.

It can be written as a sum of positive squares in only one way, i.e., 7227040144 + 2591828100 = 85012^2 + 50910^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1227358527 + ... + 1227358534.

Almost surely, 2^9818868244 is an apocalyptic number.

It is an amenable number.

9818868244 is a deficient number, since it is larger than the sum of its proper divisors (7364151190).

9818868244 is a wasteful number, since it uses less digits than its factorization.

9818868244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2454717065 (or 2454717063 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 58.

The square root of 9818868244 is about 99090.2025631192. The cubic root of 9818868244 is about 2141.3474673889.

The spelling of 9818868244 in words is "nine billion, eight hundred eighteen million, eight hundred sixty-eight thousand, two hundred forty-four".