671365569379 has 2 divisors, whose sum is σ = 671365569380. Its totient is φ = 671365569378.

The previous prime is 671365569289. The next prime is 671365569409. The reversal of 671365569379 is 973965563176.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 671365569379 - 2³⁷ = 533926615907 is a prime.

It is not a weakly prime, because it can be changed into another prime (671365569779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335682784689 + 335682784690.

It is an arithmetic number, because the mean of its divisors is an integer number (335682784690).

Almost surely, 2^671365569379 is an apocalyptic number.

671365569379 is a deficient number, since it is larger than the sum of its proper divisors (1).

671365569379 is an equidigital number, since it uses as much as digits as its factorization.

671365569379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192893400, while the sum is 67.

The spelling of 671365569379 in words is "six hundred seventy-one billion, three hundred sixty-five million, five hundred sixty-nine thousand, three hundred seventy-nine".