671147701099 has 2 divisors, whose sum is σ = 671147701100. Its totient is φ = 671147701098.

The previous prime is 671147701097. The next prime is 671147701111. The reversal of 671147701099 is 990107741176.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 671147701099 - 2¹ = 671147701097 is a prime.

Together with 671147701097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (671147701093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335573850549 + 335573850550.

It is an arithmetic number, because the mean of its divisors is an integer number (335573850550).

Almost surely, 2^671147701099 is an apocalyptic number.

671147701099 is a deficient number, since it is larger than the sum of its proper divisors (1).

671147701099 is an equidigital number, since it uses as much as digits as its factorization.

671147701099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 666792, while the sum is 52.

The spelling of 671147701099 in words is "six hundred seventy-one billion, one hundred forty-seven million, seven hundred one thousand, ninety-nine".