641704502150 has 24 divisors (see below), whose sum is σ = 1202681610504. Its totient is φ = 254722395200.

The previous prime is 641704502141. The next prime is 641704502189. The reversal of 641704502150 is 51205407146.

It is a self number, because there is not a number n which added to its sum of digits gives 641704502150.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 48978527 + ... + 48991626.

It is an arithmetic number, because the mean of its divisors is an integer number (50111733771).

Almost surely, 2^641704502150 is an apocalyptic number.

641704502150 is a deficient number, since it is larger than the sum of its proper divisors (560977108354).

641704502150 is a wasteful number, since it uses less digits than its factorization.

641704502150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97970296 (or 97970291 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

Adding to 641704502150 its reverse (51205407146), we get a palindrome (692909909296).

The spelling of 641704502150 in words is "six hundred forty-one billion, seven hundred four million, five hundred two thousand, one hundred fifty".