673689003529 has 2 divisors, whose sum is σ = 673689003530. Its totient is φ = 673689003528.

The previous prime is 673689003527. The next prime is 673689003587. The reversal of 673689003529 is 925300986376.

It is an a-pointer prime, because the next prime (673689003587) can be obtained adding 673689003529 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 509971659129 + 163717344400 = 714123^2 + 404620^2 .

It is a cyclic number.

It is not a de Polignac number, because 673689003529 - 2¹ = 673689003527 is a prime.

Together with 673689003527, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (673689003527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336844501764 + 336844501765.

It is an arithmetic number, because the mean of its divisors is an integer number (336844501765).

Almost surely, 2^673689003529 is an apocalyptic number.

It is an amenable number.

673689003529 is a deficient number, since it is larger than the sum of its proper divisors (1).

673689003529 is an equidigital number, since it uses as much as digits as its factorization.

673689003529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14696640, while the sum is 58.

The spelling of 673689003529 in words is "six hundred seventy-three billion, six hundred eighty-nine million, three thousand, five hundred twenty-nine".