673832532549 has 64 divisors (see below), whose sum is σ = 1041839677440. Its totient is φ = 382857784320.

The previous prime is 673832532523. The next prime is 673832532551. The reversal of 673832532549 is 945235238376.

It is a happy number.

673832532549 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 673832532549 - 2¹⁹ = 673832008261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673832532049) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 253033792 + ... + 253036454.

It is an arithmetic number, because the mean of its divisors is an integer number (16278744960).

Almost surely, 2^673832532549 is an apocalyptic number.

It is an amenable number.

673832532549 is a deficient number, since it is larger than the sum of its proper divisors (368007144891).

673832532549 is a wasteful number, since it uses less digits than its factorization.

673832532549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4290.

The product of its digits is 32659200, while the sum is 57.

The spelling of 673832532549 in words is "six hundred seventy-three billion, eight hundred thirty-two million, five hundred thirty-two thousand, five hundred forty-nine".