1673804480191 has 2 divisors, whose sum is σ = 1673804480192. Its totient is φ = 1673804480190.

The previous prime is 1673804480129. The next prime is 1673804480203. The reversal of 1673804480191 is 1910844083761.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1673804480191 - 2²⁵ = 1673770925759 is a prime.

It is a super-2 number, since 2×1673804480191² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1673804480291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836902240095 + 836902240096.

It is an arithmetic number, because the mean of its divisors is an integer number (836902240096).

Almost surely, 2^{1673804480191} is an apocalyptic number.

1673804480191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1673804480191 is an equidigital number, since it uses as much as digits as its factorization.

1673804480191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 1673804480191 in words is "one trillion, six hundred seventy-three billion, eight hundred four million, four hundred eighty thousand, one hundred ninety-one".