641530044310 has 16 divisors (see below), whose sum is σ = 1222680790656. Its totient is φ = 241517193088.

The previous prime is 641530044299. The next prime is 641530044313. The reversal of 641530044310 is 13440035146.

It is a happy number.

It is a super-2 number, since 2×641530044310² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641530044313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1886852902 + ... + 1886853241.

It is an arithmetic number, because the mean of its divisors is an integer number (76417549416).

Almost surely, 2^641530044310 is an apocalyptic number.

641530044310 is a deficient number, since it is larger than the sum of its proper divisors (581150746346).

641530044310 is a wasteful number, since it uses less digits than its factorization.

641530044310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773706167.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 641530044310 its reverse (13440035146), we get a palindrome (654970079456).

The spelling of 641530044310 in words is "six hundred forty-one billion, five hundred thirty million, forty-four thousand, three hundred ten".