673406545501 has 8 divisors (see below), whose sum is σ = 675980235000. Its totient is φ = 670836537600.

The previous prime is 673406545499. The next prime is 673406545549. The reversal of 673406545501 is 105545604376.

673406545501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 501687473401 + 171719072100 = 708299^2 + 414390^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 673406545501 - 2¹ = 673406545499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673406545561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553600 + ... + 1285801.

It is an arithmetic number, because the mean of its divisors is an integer number (84497529375).

Almost surely, 2^673406545501 is an apocalyptic number.

It is an amenable number.

673406545501 is a deficient number, since it is larger than the sum of its proper divisors (2573689499).

673406545501 is a wasteful number, since it uses less digits than its factorization.

673406545501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840799.

The product of its (nonzero) digits is 1512000, while the sum is 46.

The spelling of 673406545501 in words is "six hundred seventy-three billion, four hundred six million, five hundred forty-five thousand, five hundred one".