9802687144 has 16 divisors (see below), whose sum is σ = 18391500000. Its totient is φ = 4898287152.

The previous prime is 9802687123. The next prime is 9802687177. The reversal of 9802687144 is 4417862089.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368394 + ... + 394105.

It is an arithmetic number, because the mean of its divisors is an integer number (1149468750).

Almost surely, 2^9802687144 is an apocalyptic number.

It is an amenable number.

9802687144 is a deficient number, since it is larger than the sum of its proper divisors (8588812856).

9802687144 is a wasteful number, since it uses less digits than its factorization.

9802687144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764112 (or 764108 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 9802687144 is about 99008.5205626263. The cubic root of 9802687144 is about 2140.1705358027.

The spelling of 9802687144 in words is "nine billion, eight hundred two million, six hundred eighty-seven thousand, one hundred forty-four".