1673351320853 has 2 divisors, whose sum is σ = 1673351320854. Its totient is φ = 1673351320852.

The previous prime is 1673351320783. The next prime is 1673351320903. The reversal of 1673351320853 is 3580231533761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1662224868529 + 11126452324 = 1289273^2 + 105482^2 .

It is a cyclic number.

It is not a de Polignac number, because 1673351320853 - 2¹² = 1673351316757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1673351320798 and 1673351320807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1673351320253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836675660426 + 836675660427.

It is an arithmetic number, because the mean of its divisors is an integer number (836675660427).

Almost surely, 2^{1673351320853} is an apocalyptic number.

It is an amenable number.

1673351320853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1673351320853 is an equidigital number, since it uses as much as digits as its factorization.

1673351320853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 1673351320853 in words is "one trillion, six hundred seventy-three billion, three hundred fifty-one million, three hundred twenty thousand, eight hundred fifty-three".