601742688506 has 4 divisors (see below), whose sum is σ = 902614032762. Its totient is φ = 300871344252.

The previous prime is 601742688497. The next prime is 601742688509. The reversal of 601742688506 is 605886247106.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 325366427281 + 276376261225 = 570409^2 + 525715^2 .

It is not an unprimeable number, because it can be changed into a prime (601742688509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150435672125 + ... + 150435672128.

Almost surely, 2^601742688506 is an apocalyptic number.

601742688506 is a deficient number, since it is larger than the sum of its proper divisors (300871344256).

601742688506 is a wasteful number, since it uses less digits than its factorization.

601742688506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300871344255.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 601742688506 in words is "six hundred one billion, seven hundred forty-two million, six hundred eighty-eight thousand, five hundred six".