64782731832050 has 96 divisors (see below), whose sum is σ = 125116462658880. Its totient is φ = 24937589145600.

The previous prime is 64782731832041. The next prime is 64782731832089. The reversal of 64782731832050 is 5023813728746.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109110386 + ... + 109702514.

It is an arithmetic number, because the mean of its divisors is an integer number (1303296486030).

Almost surely, 2^{64782731832050} is an apocalyptic number.

64782731832050 is a deficient number, since it is larger than the sum of its proper divisors (60333730826830).

64782731832050 is a wasteful number, since it uses less digits than its factorization.

64782731832050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592908 (or 592903 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 64782731832050 in words is "sixty-four trillion, seven hundred eighty-two billion, seven hundred thirty-one million, eight hundred thirty-two thousand, fifty".