351568422481 has 2 divisors, whose sum is σ = 351568422482. Its totient is φ = 351568422480.

The previous prime is 351568422467. The next prime is 351568422487. The reversal of 351568422481 is 184224865153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 350351529025 + 1216893456 = 591905^2 + 34884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-351568422481 is a prime.

It is a super-2 number, since 2×351568422481² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (351568422487) 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, 175784211240 + 175784211241.

It is an arithmetic number, because the mean of its divisors is an integer number (175784211241).

Almost surely, 2^351568422481 is an apocalyptic number.

It is an amenable number.

351568422481 is a deficient number, since it is larger than the sum of its proper divisors (1).

351568422481 is an equidigital number, since it uses as much as digits as its factorization.

351568422481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1843200, while the sum is 49.

The spelling of 351568422481 in words is "three hundred fifty-one billion, five hundred sixty-eight million, four hundred twenty-two thousand, four hundred eighty-one".