1351543464673 has 2 divisors, whose sum is σ = 1351543464674. Its totient is φ = 1351543464672.

The previous prime is 1351543464629. The next prime is 1351543464703. The reversal of 1351543464673 is 3764643451531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1350123154704 + 1420309969 = 1161948^2 + 37687^2 .

It is a cyclic number.

It is not a de Polignac number, because 1351543464673 - 2¹⁷ = 1351543333601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1351543464673.

It is not a weakly prime, because it can be changed into another prime (1351543465673) 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, 675771732336 + 675771732337.

It is an arithmetic number, because the mean of its divisors is an integer number (675771732337).

Almost surely, 2^{1351543464673} is an apocalyptic number.

It is an amenable number.

1351543464673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351543464673 is an equidigital number, since it uses as much as digits as its factorization.

1351543464673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10886400, while the sum is 52.

The spelling of 1351543464673 in words is "one trillion, three hundred fifty-one billion, five hundred forty-three million, four hundred sixty-four thousand, six hundred seventy-three".