297955497609 has 243 divisors, whose sum is σ = 588807559431. Its totient is φ = 144629210880.

The previous prime is 297955497577. The next prime is 297955497611. The reversal of 297955497609 is 906794559792.

The square root of 297955497609 is 545853.

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

297955497609 is a `hidden beast` number, since 2 + 9 + 7 + 9 + 5 + 5 + 4 + 9 + 7 + 609 = 666.

It can be written as a sum of positive squares in only one way, i.e., 231972273225 + 65983224384 = 481635^2 + 256872^2 .

It is not a de Polignac number, because 297955497609 - 2⁵ = 297955497577 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (297955497629) 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 242 ways as a sum of consecutive naturals, for example, 2143564662 + ... + 2143564800.

Almost surely, 2^297955497609 is an apocalyptic number.

297955497609 is the 545853-rd square number.

297955497609 is the 272927-th centered octagonal number.

It is an amenable number.

297955497609 is a deficient number, since it is larger than the sum of its proper divisors (290852061822).

297955497609 is a wasteful number, since it uses less digits than its factorization.

297955497609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 385786800, while the sum is 72.

The spelling of 297955497609 in words is "two hundred ninety-seven billion, nine hundred fifty-five million, four hundred ninety-seven thousand, six hundred nine".