1709928419671 has 2 divisors, whose sum is σ = 1709928419672. Its totient is φ = 1709928419670.

The previous prime is 1709928419669. The next prime is 1709928419743. The reversal of 1709928419671 is 1769148299071.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1709928419671 - 2¹ = 1709928419669 is a prime.

Together with 1709928419669, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1709928419621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 854964209835 + 854964209836.

It is an arithmetic number, because the mean of its divisors is an integer number (854964209836).

Almost surely, 2^{1709928419671} is an apocalyptic number.

1709928419671 is a deficient number, since it is larger than the sum of its proper divisors (1).

1709928419671 is an equidigital number, since it uses as much as digits as its factorization.

1709928419671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13716864, while the sum is 64.

The spelling of 1709928419671 in words is "one trillion, seven hundred nine billion, nine hundred twenty-eight million, four hundred nineteen thousand, six hundred seventy-one".