671544309107051 has 2 divisors, whose sum is σ = 671544309107052. Its totient is φ = 671544309107050.

The previous prime is 671544309107047. The next prime is 671544309107081. The reversal of 671544309107051 is 150701903445176.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 671544309107051 - 2² = 671544309107047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 671544309106984 and 671544309107002.

It is not a weakly prime, because it can be changed into another prime (671544309107081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335772154553525 + 335772154553526.

It is an arithmetic number, because the mean of its divisors is an integer number (335772154553526).

Almost surely, 2^{671544309107051} is an apocalyptic number.

671544309107051 is a deficient number, since it is larger than the sum of its proper divisors (1).

671544309107051 is an equidigital number, since it uses as much as digits as its factorization.

671544309107051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3175200, while the sum is 53.

The spelling of 671544309107051 in words is "six hundred seventy-one trillion, five hundred forty-four billion, three hundred nine million, one hundred seven thousand, fifty-one".