1673351320253 has 2 divisors, whose sum is σ = 1673351320254. Its totient is φ = 1673351320252.

The previous prime is 1673351320211. The next prime is 1673351320279. The reversal of 1673351320253 is 3520231533761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1671854172004 + 1497148249 = 1293002^2 + 38693^2 .

It is a cyclic number.

It is not a de Polignac number, because 1673351320253 - 2⁶ = 1673351320189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1673351320253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1673351320853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836675660126 + 836675660127.

It is an arithmetic number, because the mean of its divisors is an integer number (836675660127).

Almost surely, 2^{1673351320253} is an apocalyptic number.

It is an amenable number.

1673351320253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1673351320253 is an equidigital number, since it uses as much as digits as its factorization.

1673351320253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 340200, while the sum is 41.

The spelling of 1673351320253 in words is "one trillion, six hundred seventy-three billion, three hundred fifty-one million, three hundred twenty thousand, two hundred fifty-three".