8442729104 has 10 divisors (see below), whose sum is σ = 16357787670. Its totient is φ = 4221364544.

The previous prime is 8442729089. The next prime is 8442729187. The reversal of 8442729104 is 4019272448.

It can be written as a sum of positive squares in only one way, i.e., 8060448400 + 382280704 = 89780^2 + 19552^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263835269 + ... + 263835300.

It is an arithmetic number, because the mean of its divisors is an integer number (1635778767).

Almost surely, 2^8442729104 is an apocalyptic number.

It is an amenable number.

8442729104 is a deficient number, since it is larger than the sum of its proper divisors (7915058566).

8442729104 is a wasteful number, since it uses less digits than its factorization.

8442729104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527670577 (or 527670571 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 8442729104 is about 91884.3245825968. The cubic root of 8442729104 is about 2036.2336877294.

The spelling of 8442729104 in words is "eight billion, four hundred forty-two million, seven hundred twenty-nine thousand, one hundred four".