641305629348 has 48 divisors (see below), whose sum is σ = 1508599107456. Its totient is φ = 212027270400.

The previous prime is 641305629347. The next prime is 641305629413. The reversal of 641305629348 is 843926503146.

It is a super-2 number, since 2×641305629348² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 641305629348.

It is not an unprimeable number, because it can be changed into a prime (641305629347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 912240 + ... + 1454232.

It is an arithmetic number, because the mean of its divisors is an integer number (31429148072).

Almost surely, 2^641305629348 is an apocalyptic number.

It is an amenable number.

641305629348 is an abundant number, since it is smaller than the sum of its proper divisors (867293478108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

641305629348 is a wasteful number, since it uses less digits than its factorization.

641305629348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542804 (or 542802 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 51.

The spelling of 641305629348 in words is "six hundred forty-one billion, three hundred five million, six hundred twenty-nine thousand, three hundred forty-eight".