641485429 has 32 divisors (see below), whose sum is σ = 774506880. Its totient is φ = 524869632.

The previous prime is 641485409. The next prime is 641485483. The reversal of 641485429 is 924584146.

641485429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 641485429 - 2⁷ = 641485301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641485409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 952837 + ... + 953509.

It is an arithmetic number, because the mean of its divisors is an integer number (24203340).

Almost surely, 2^641485429 is an apocalyptic number.

It is an amenable number.

641485429 is a deficient number, since it is larger than the sum of its proper divisors (133021451).

641485429 is a wasteful number, since it uses less digits than its factorization.

641485429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949.

The product of its digits is 276480, while the sum is 43.

The square root of 641485429 is about 25327.5626344108. The cubic root of 641485429 is about 862.4400816458.

The spelling of 641485429 in words is "six hundred forty-one million, four hundred eighty-five thousand, four hundred twenty-nine".