601641689 has 8 divisors (see below), whose sum is σ = 670301568. Its totient is φ = 535309360.

The previous prime is 601641661. The next prime is 601641697. The reversal of 601641689 is 986146106.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-601641689 is a prime.

It is a super-3 number, since 3×601641689³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (601641619) 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, 581342 + ... + 582375.

It is an arithmetic number, because the mean of its divisors is an integer number (83787696).

Almost surely, 2^601641689 is an apocalyptic number.

It is an amenable number.

601641689 is a deficient number, since it is larger than the sum of its proper divisors (68659879).

601641689 is a wasteful number, since it uses less digits than its factorization.

601641689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163775.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 601641689 is about 24528.3853728695. The cubic root of 601641689 is about 844.2012170640.

The spelling of 601641689 in words is "six hundred one million, six hundred forty-one thousand, six hundred eighty-nine".