648441037383050 has 48 divisors (see below), whose sum is σ = 1208432022704064. Its totient is φ = 258874989360000.

The previous prime is 648441037382993. The next prime is 648441037383077. The reversal of 648441037383050 is 50383730144846.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2687483915 + ... + 2687725185.

It is an arithmetic number, because the mean of its divisors is an integer number (25175667139668).

Almost surely, 2^{648441037383050} is an apocalyptic number.

648441037383050 is a deficient number, since it is larger than the sum of its proper divisors (559990985321014).

648441037383050 is a wasteful number, since it uses less digits than its factorization.

648441037383050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344975 (or 344970 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 56.

The spelling of 648441037383050 in words is "six hundred forty-eight trillion, four hundred forty-one billion, thirty-seven million, three hundred eighty-three thousand, fifty".