5351304047981 has 2 divisors, whose sum is σ = 5351304047982. Its totient is φ = 5351304047980.

The previous prime is 5351304047959. The next prime is 5351304048017. The reversal of 5351304047981 is 1897404031535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5339491618756 + 11812429225 = 2310734^2 + 108685^2 .

It is a cyclic number.

It is not a de Polignac number, because 5351304047981 - 2³⁴ = 5334124178797 is a prime.

It is a super-2 number, since 2×5351304047981² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5351304047081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2675652023990 + 2675652023991.

It is an arithmetic number, because the mean of its divisors is an integer number (2675652023991).

Almost surely, 2^{5351304047981} is an apocalyptic number.

It is an amenable number.

5351304047981 is a deficient number, since it is larger than the sum of its proper divisors (1).

5351304047981 is an equidigital number, since it uses as much as digits as its factorization.

5351304047981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 5351304047981 in words is "five trillion, three hundred fifty-one billion, three hundred four million, forty-seven thousand, nine hundred eighty-one".