1673351320783 has 2 divisors, whose sum is σ = 1673351320784. Its totient is φ = 1673351320782.

The previous prime is 1673351320723. The next prime is 1673351320853. The reversal of 1673351320783 is 3870231533761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1673351320783 - 2³³ = 1664761386191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1673351320723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836675660391 + 836675660392.

It is an arithmetic number, because the mean of its divisors is an integer number (836675660392).

Almost surely, 2^{1673351320783} is an apocalyptic number.

1673351320783 is a deficient number, since it is larger than the sum of its proper divisors (1).

1673351320783 is an equidigital number, since it uses as much as digits as its factorization.

1673351320783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 49.

The spelling of 1673351320783 in words is "one trillion, six hundred seventy-three billion, three hundred fifty-one million, three hundred twenty thousand, seven hundred eighty-three".