641485430 has 8 divisors (see below), whose sum is σ = 1154673792. Its totient is φ = 256594168.

The previous prime is 641485409. The next prime is 641485483. The reversal of 641485430 is 34584146.

641485430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32074262 + ... + 32074281.

It is an arithmetic number, because the mean of its divisors is an integer number (144334224).

Almost surely, 2^641485430 is an apocalyptic number.

641485430 is a deficient number, since it is larger than the sum of its proper divisors (513188362).

641485430 is a wasteful number, since it uses less digits than its factorization.

641485430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64148550.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 641485430 is about 25327.5626541521. The cubic root of 641485430 is about 862.4400820940.

The spelling of 641485430 in words is "six hundred forty-one million, four hundred eighty-five thousand, four hundred thirty".