1679227287629 has 2 divisors, whose sum is σ = 1679227287630. Its totient is φ = 1679227287628.

The previous prime is 1679227287613. The next prime is 1679227287769. The reversal of 1679227287629 is 9267827229761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 845608984900 + 833618302729 = 919570^2 + 913027^2 .

It is a cyclic number.

It is not a de Polignac number, because 1679227287629 - 2⁴ = 1679227287613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1679227287029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 839613643814 + 839613643815.

It is an arithmetic number, because the mean of its divisors is an integer number (839613643815).

Almost surely, 2^{1679227287629} is an apocalyptic number.

It is an amenable number.

1679227287629 is a deficient number, since it is larger than the sum of its proper divisors (1).

1679227287629 is an equidigital number, since it uses as much as digits as its factorization.

1679227287629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 128024064, while the sum is 68.

The spelling of 1679227287629 in words is "one trillion, six hundred seventy-nine billion, two hundred twenty-seven million, two hundred eighty-seven thousand, six hundred twenty-nine".