242108470849 has 12 divisors (see below), whose sum is σ = 284539857924. Its totient is φ = 205382145024.

The previous prime is 242108470829. The next prime is 242108470859. The reversal of 242108470849 is 948074801242.

It can be written as a sum of positive squares in 2 ways, for example, as 98169422400 + 143939048449 = 313320^2 + 379393^2 .

It is not a de Polignac number, because 242108470849 - 2²¹ = 242106373697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (242108470829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25464264 + ... + 25473769.

It is an arithmetic number, because the mean of its divisors is an integer number (23711654827).

Almost surely, 2^242108470849 is an apocalyptic number.

It is an amenable number.

242108470849 is a deficient number, since it is larger than the sum of its proper divisors (42431387075).

242108470849 is an equidigital number, since it uses as much as digits as its factorization.

242108470849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50938144 (or 50938137 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 242108470849 in words is "two hundred forty-two billion, one hundred eight million, four hundred seventy thousand, eight hundred forty-nine".