1350856061669 has 2 divisors, whose sum is σ = 1350856061670. Its totient is φ = 1350856061668.

The previous prime is 1350856061617. The next prime is 1350856061729. The reversal of 1350856061669 is 9661606580531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1124172472900 + 226683588769 = 1060270^2 + 476113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1350856061669 is a prime.

It is a super-2 number, since 2×1350856061669² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1350856061869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675428030834 + 675428030835.

It is an arithmetic number, because the mean of its divisors is an integer number (675428030835).

Almost surely, 2^{1350856061669} is an apocalyptic number.

It is an amenable number.

1350856061669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1350856061669 is an equidigital number, since it uses as much as digits as its factorization.

1350856061669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6998400, while the sum is 56.

The spelling of 1350856061669 in words is "one trillion, three hundred fifty billion, eight hundred fifty-six million, sixty-one thousand, six hundred sixty-nine".