673194953 has 2 divisors, whose sum is σ = 673194954. Its totient is φ = 673194952.

The previous prime is 673194877. The next prime is 673195013. The reversal of 673194953 is 359491376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 434430649 + 238764304 = 20843^2 + 15452^2 .

It is a cyclic number.

It is not a de Polignac number, because 673194953 - 2¹⁶ = 673129417 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 673194898 and 673194907.

It is not a weakly prime, because it can be changed into another prime (673194553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336597476 + 336597477.

It is an arithmetic number, because the mean of its divisors is an integer number (336597477).

Almost surely, 2^673194953 is an apocalyptic number.

It is an amenable number.

673194953 is a deficient number, since it is larger than the sum of its proper divisors (1).

673194953 is an equidigital number, since it uses as much as digits as its factorization.

673194953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 612360, while the sum is 47.

The square root of 673194953 is about 25946.0007130193. Note that the first 3 decimals coincide. The cubic root of 673194953 is about 876.4226990714.

The spelling of 673194953 in words is "six hundred seventy-three million, one hundred ninety-four thousand, nine hundred fifty-three".