1671048537329 has 2 divisors, whose sum is σ = 1671048537330. Its totient is φ = 1671048537328.

The previous prime is 1671048537287. The next prime is 1671048537391. The reversal of 1671048537329 is 9237358401761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1663524709729 + 7523827600 = 1289777^2 + 86740^2 .

It is a cyclic number.

It is not a de Polignac number, because 1671048537329 - 2¹² = 1671048533233 is a prime.

It is not a weakly prime, because it can be changed into another prime (1671048530329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835524268664 + 835524268665.

It is an arithmetic number, because the mean of its divisors is an integer number (835524268665).

It is a 1-persistent number, because it is pandigital, but 2⋅1671048537329 = 3342097074658 is not.

Almost surely, 2^{1671048537329} is an apocalyptic number.

It is an amenable number.

1671048537329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1671048537329 is an equidigital number, since it uses as much as digits as its factorization.

1671048537329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 1671048537329 in words is "one trillion, six hundred seventy-one billion, forty-eight million, five hundred thirty-seven thousand, three hundred twenty-nine".