1673889041659 has 2 divisors, whose sum is σ = 1673889041660. Its totient is φ = 1673889041658.

The previous prime is 1673889041647. The next prime is 1673889041677. The reversal of 1673889041659 is 9561409883761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1673889041659 - 2³⁹ = 1124133227771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1673889041594 and 1673889041603.

It is not a weakly prime, because it can be changed into another prime (1673889041609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836944520829 + 836944520830.

It is an arithmetic number, because the mean of its divisors is an integer number (836944520830).

Almost surely, 2^{1673889041659} is an apocalyptic number.

1673889041659 is a deficient number, since it is larger than the sum of its proper divisors (1).

1673889041659 is an equidigital number, since it uses as much as digits as its factorization.

1673889041659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78382080, while the sum is 67.

The spelling of 1673889041659 in words is "one trillion, six hundred seventy-three billion, eight hundred eighty-nine million, forty-one thousand, six hundred fifty-nine".