298678978433 has 16 divisors (see below), whose sum is σ = 326722560000. Its totient is φ = 270784691280.

The previous prime is 298678978387. The next prime is 298678978439. The reversal of 298678978433 is 334879876892.

It is a cyclic number.

It is not a de Polignac number, because 298678978433 - 2¹⁶ = 298678912897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (298678978439) 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 15 ways as a sum of consecutive naturals, for example, 7791728 + ... + 7829966.

It is an arithmetic number, because the mean of its divisors is an integer number (20420160000).

Almost surely, 2^298678978433 is an apocalyptic number.

It is an amenable number.

298678978433 is a deficient number, since it is larger than the sum of its proper divisors (28043581567).

298678978433 is a wasteful number, since it uses less digits than its factorization.

298678978433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40172.

The product of its digits is 877879296, while the sum is 74.

The spelling of 298678978433 in words is "two hundred ninety-eight billion, six hundred seventy-eight million, nine hundred seventy-eight thousand, four hundred thirty-three".