1329751896643 has 2 divisors, whose sum is σ = 1329751896644. Its totient is φ = 1329751896642.

The previous prime is 1329751896607. The next prime is 1329751896673. The reversal of 1329751896643 is 3466981579231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1329751896643 - 2²¹ = 1329749799491 is a prime.

It is not a weakly prime, because it can be changed into another prime (1329751896673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664875948321 + 664875948322.

It is an arithmetic number, because the mean of its divisors is an integer number (664875948322).

Almost surely, 2^{1329751896643} is an apocalyptic number.

1329751896643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1329751896643 is an equidigital number, since it uses as much as digits as its factorization.

1329751896643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58786560, while the sum is 64.

The spelling of 1329751896643 in words is "one trillion, three hundred twenty-nine billion, seven hundred fifty-one million, eight hundred ninety-six thousand, six hundred forty-three".