300642006021281 has 2 divisors, whose sum is σ = 300642006021282. Its totient is φ = 300642006021280.

The previous prime is 300642006021239. The next prime is 300642006021293. The reversal of 300642006021281 is 182120600246003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 281558869040656 + 19083136980625 = 16779716^2 + 4368425^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-300642006021281 is a prime.

It is a super-2 number, since 2×300642006021281² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (300642006027281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150321003010640 + 150321003010641.

It is an arithmetic number, because the mean of its divisors is an integer number (150321003010641).

Almost surely, 2^{300642006021281} is an apocalyptic number.

It is an amenable number.

300642006021281 is a deficient number, since it is larger than the sum of its proper divisors (1).

300642006021281 is an equidigital number, since it uses as much as digits as its factorization.

300642006021281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

Adding to 300642006021281 its reverse (182120600246003), we get a palindrome (482762606267284).

The spelling of 300642006021281 in words is "three hundred trillion, six hundred forty-two billion, six million, twenty-one thousand, two hundred eighty-one".