673339811 has 2 divisors, whose sum is σ = 673339812. Its totient is φ = 673339810.

The previous prime is 673339763. The next prime is 673339829. The reversal of 673339811 is 118933376.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673339811 is a prime.

It is equal to p_34942775 and since 673339811 and 34942775 have the same sum of digits, it is a Honaker prime.

It is a nialpdrome in base 13.

It is not a weakly prime, because it can be changed into another prime (673333811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336669905 + 336669906.

It is an arithmetic number, because the mean of its divisors is an integer number (336669906).

Almost surely, 2^673339811 is an apocalyptic number.

673339811 is a deficient number, since it is larger than the sum of its proper divisors (1).

673339811 is an equidigital number, since it uses as much as digits as its factorization.

673339811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 41.

The square root of 673339811 is about 25948.7920913479. The cubic root of 673339811 is about 876.4855574028.

The spelling of 673339811 in words is "six hundred seventy-three million, three hundred thirty-nine thousand, eight hundred eleven".