673526629 has 2 divisors, whose sum is σ = 673526630. Its totient is φ = 673526628.

The previous prime is 673526627. The next prime is 673526647. The reversal of 673526629 is 926625376.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 550981729 + 122544900 = 23473^2 + 11070^2 .

It is a cyclic number.

It is not a de Polignac number, because 673526629 - 2¹ = 673526627 is a prime.

Together with 673526627, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673526627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336763314 + 336763315.

It is an arithmetic number, because the mean of its divisors is an integer number (336763315).

Almost surely, 2^673526629 is an apocalyptic number.

It is an amenable number.

673526629 is a deficient number, since it is larger than the sum of its proper divisors (1).

673526629 is an equidigital number, since it uses as much as digits as its factorization.

673526629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 46.

The square root of 673526629 is about 25952.3915853626. The cubic root of 673526629 is about 876.5666101565.

The spelling of 673526629 in words is "six hundred seventy-three million, five hundred twenty-six thousand, six hundred twenty-nine".