297299721001 has 2 divisors, whose sum is σ = 297299721002. Its totient is φ = 297299721000.

The previous prime is 297299720999. The next prime is 297299721007. The reversal of 297299721001 is 100127992792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235336563225 + 61963157776 = 485115^2 + 248924^2 .

It is a cyclic number.

It is not a de Polignac number, because 297299721001 - 2¹ = 297299720999 is a prime.

Together with 297299720999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (297299721007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148649860500 + 148649860501.

It is an arithmetic number, because the mean of its divisors is an integer number (148649860501).

Almost surely, 2^297299721001 is an apocalyptic number.

It is an amenable number.

297299721001 is a deficient number, since it is larger than the sum of its proper divisors (1).

297299721001 is an equidigital number, since it uses as much as digits as its factorization.

297299721001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 49.

The spelling of 297299721001 in words is "two hundred ninety-seven billion, two hundred ninety-nine million, seven hundred twenty-one thousand, one".