301298894649 has 9 divisors (see below), whose sum is σ = 435211893103. Its totient is φ = 200864831952.

The previous prime is 301298894641. The next prime is 301298894759. The reversal of 301298894649 is 946498892103.

The square root of 301298894649 is 548907.

It is a perfect power (a square), and thus also a powerful number.

301298894649 is a `hidden beast` number, since 3 + 0 + 1 + 2 + 98 + 89 + 464 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 220483776249 + 80815118400 = 469557^2 + 284280^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 301298894649 - 2³ = 301298894641 is a prime.

It is a super-3 number, since 3×301298894649³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (301298894641) 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 8 ways as a sum of consecutive naturals, for example, 1555237 + ... + 1738205.

Almost surely, 2^301298894649 is an apocalyptic number.

301298894649 is the 548907-th square number.

301298894649 is the 274454-th centered octagonal number.

It is an amenable number.

301298894649 is a deficient number, since it is larger than the sum of its proper divisors (133912998454).

301298894649 is an frugal number, since it uses more digits than its factorization.

301298894649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365944 (or 182972 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 63.

The spelling of 301298894649 in words is "three hundred one billion, two hundred ninety-eight million, eight hundred ninety-four thousand, six hundred forty-nine".