350281057981 has 2 divisors, whose sum is σ = 350281057982. Its totient is φ = 350281057980.

The previous prime is 350281057979. The next prime is 350281058063. The reversal of 350281057981 is 189750182053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 247282425625 + 102998632356 = 497275^2 + 320934^2 .

It is a cyclic number.

It is not a de Polignac number, because 350281057981 - 2¹ = 350281057979 is a prime.

It is a super-2 number, since 2×350281057981² (a number of 24 digits) contains 22 as substring.

Together with 350281057979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (350281057081) 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, 175140528990 + 175140528991.

It is an arithmetic number, because the mean of its divisors is an integer number (175140528991).

Almost surely, 2^350281057981 is an apocalyptic number.

It is an amenable number.

350281057981 is a deficient number, since it is larger than the sum of its proper divisors (1).

350281057981 is an equidigital number, since it uses as much as digits as its factorization.

350281057981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 49.

The spelling of 350281057981 in words is "three hundred fifty billion, two hundred eighty-one million, fifty-seven thousand, nine hundred eighty-one".