337446143999981 has 2 divisors, whose sum is σ = 337446143999982. Its totient is φ = 337446143999980.

The previous prime is 337446143999947. The next prime is 337446144000013. The reversal of 337446143999981 is 189999341644733.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 332944469458756 + 4501674541225 = 18246766^2 + 2121715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-337446143999981 is a prime.

It is a super-2 number, since 2×337446143999981² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 337446143999896 and 337446143999905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (337446143990981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168723071999990 + 168723071999991.

It is an arithmetic number, because the mean of its divisors is an integer number (168723071999991).

Almost surely, 2^{337446143999981} is an apocalyptic number.

It is an amenable number.

337446143999981 is a deficient number, since it is larger than the sum of its proper divisors (1).

337446143999981 is an equidigital number, since it uses as much as digits as its factorization.

337446143999981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3809369088, while the sum is 80.

The spelling of 337446143999981 in words is "three hundred thirty-seven trillion, four hundred forty-six billion, one hundred forty-three million, nine hundred ninety-nine thousand, nine hundred eighty-one".