641316430 has 32 divisors (see below), whose sum is σ = 1196143200. Its totient is φ = 247408512.

The previous prime is 641316427. The next prime is 641316439. The reversal of 641316430 is 34613146.

It is a super-2 number, since 2×641316430² = 822573526775889800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641316439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21016 + ... + 41524.

It is an arithmetic number, because the mean of its divisors is an integer number (37379475).

Almost surely, 2^641316430 is an apocalyptic number.

641316430 is a deficient number, since it is larger than the sum of its proper divisors (554826770).

641316430 is a wasteful number, since it uses less digits than its factorization.

641316430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20628.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 641316430 is about 25324.2261480978. The cubic root of 641316430 is about 862.3643385315.

Adding to 641316430 its reverse (34613146), we get a palindrome (675929576).

The spelling of 641316430 in words is "six hundred forty-one million, three hundred sixteen thousand, four hundred thirty".