606400067725 has 6 divisors (see below), whose sum is σ = 751936084010. Its totient is φ = 485120054160.

The previous prime is 606400067687. The next prime is 606400067729. The reversal of 606400067725 is 527760004606.

It can be written as a sum of positive squares in 3 ways, for example, as 24820324 + 606375247401 = 4982^2 + 778701^2 .

It is not a de Polignac number, because 606400067725 - 2¹⁹ = 606399543437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606400067729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12128001330 + ... + 12128001379.

Almost surely, 2^606400067725 is an apocalyptic number.

It is an amenable number.

606400067725 is a deficient number, since it is larger than the sum of its proper divisors (145536016285).

606400067725 is a wasteful number, since it uses less digits than its factorization.

606400067725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24256002719 (or 24256002714 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 606400067725 in words is "six hundred six billion, four hundred million, sixty-seven thousand, seven hundred twenty-five".