63042220897 has 2 divisors, whose sum is σ = 63042220898. Its totient is φ = 63042220896.

The previous prime is 63042220877. The next prime is 63042220909. The reversal of 63042220897 is 79802224036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47119819041 + 15922401856 = 217071^2 + 126184^2 .

It is a cyclic number.

It is not a de Polignac number, because 63042220897 - 2¹¹ = 63042218849 is a prime.

It is a super-2 number, since 2×63042220897² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63042220847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31521110448 + 31521110449.

It is an arithmetic number, because the mean of its divisors is an integer number (31521110449).

Almost surely, 2^63042220897 is an apocalyptic number.

It is an amenable number.

63042220897 is a deficient number, since it is larger than the sum of its proper divisors (1).

63042220897 is an equidigital number, since it uses as much as digits as its factorization.

63042220897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 63042220897 in words is "sixty-three billion, forty-two million, two hundred twenty thousand, eight hundred ninety-seven".