673401011 has 2 divisors, whose sum is σ = 673401012. Its totient is φ = 673401010.

The previous prime is 673400993. The next prime is 673401017. The reversal of 673401011 is 110104376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 673401011 - 2¹⁴ = 673384627 is a prime.

It is not a weakly prime, because it can be changed into another prime (673401017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336700505 + 336700506.

It is an arithmetic number, because the mean of its divisors is an integer number (336700506).

Almost surely, 2^673401011 is an apocalyptic number.

673401011 is a deficient number, since it is larger than the sum of its proper divisors (1).

673401011 is an equidigital number, since it uses as much as digits as its factorization.

673401011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 673401011 is about 25949.9713101961. The cubic root of 673401011 is about 876.5121112518.

Adding to 673401011 its reverse (110104376), we get a palindrome (783505387).

The spelling of 673401011 in words is "six hundred seventy-three million, four hundred one thousand, eleven".