671004826601701 has 2 divisors, whose sum is σ = 671004826601702. Its totient is φ = 671004826601700.

The previous prime is 671004826601657. The next prime is 671004826601713. The reversal of 671004826601701 is 107106628400176.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 537661779376225 + 133343047225476 = 23187535^2 + 11547426^2 .

It is a cyclic number.

It is not a de Polignac number, because 671004826601701 - 2¹³ = 671004826593509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671004826601761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335502413300850 + 335502413300851.

It is an arithmetic number, because the mean of its divisors is an integer number (335502413300851).

Almost surely, 2^{671004826601701} is an apocalyptic number.

It is an amenable number.

671004826601701 is a deficient number, since it is larger than the sum of its proper divisors (1).

671004826601701 is an equidigital number, since it uses as much as digits as its factorization.

671004826601701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 671004826601701 in words is "six hundred seventy-one trillion, four billion, eight hundred twenty-six million, six hundred one thousand, seven hundred one".