640033670113 has 16 divisors (see below), whose sum is σ = 672305356800. Its totient is φ = 608501935440.

The previous prime is 640033670083. The next prime is 640033670167. The reversal of 640033670113 is 311076330046.

It is a cyclic number.

It is not a de Polignac number, because 640033670113 - 2¹³ = 640033661921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (640033670173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2784778 + ... + 3005836.

It is an arithmetic number, because the mean of its divisors is an integer number (42019084800).

Almost surely, 2^640033670113 is an apocalyptic number.

It is an amenable number.

640033670113 is a deficient number, since it is larger than the sum of its proper divisors (32271686687).

640033670113 is a wasteful number, since it uses less digits than its factorization.

640033670113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222732.

The product of its (nonzero) digits is 27216, while the sum is 34.

The spelling of 640033670113 in words is "six hundred forty billion, thirty-three million, six hundred seventy thousand, one hundred thirteen".