1345189038673 has 2 divisors, whose sum is σ = 1345189038674. Its totient is φ = 1345189038672.

The previous prime is 1345189038649. The next prime is 1345189038821. The reversal of 1345189038673 is 3768309815431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 730859139409 + 614329899264 = 854903^2 + 783792^2 .

It is a cyclic number.

It is not a de Polignac number, because 1345189038673 - 2²⁵ = 1345155484241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1345189039673) 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, 672594519336 + 672594519337.

It is an arithmetic number, because the mean of its divisors is an integer number (672594519337).

Almost surely, 2^{1345189038673} is an apocalyptic number.

It is an amenable number.

1345189038673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345189038673 is an equidigital number, since it uses as much as digits as its factorization.

1345189038673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 1345189038673 in words is "one trillion, three hundred forty-five billion, one hundred eighty-nine million, thirty-eight thousand, six hundred seventy-three".