640106414333 has 8 divisors (see below), whose sum is σ = 664926687480. Its totient is φ = 615469317120.

The previous prime is 640106414291. The next prime is 640106414351. The reversal of 640106414333 is 333414601046.

It can be written as a sum of positive squares in 4 ways, for example, as 91526216089 + 548580198244 = 302533^2 + 740662^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-640106414333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 640106414293 and 640106414302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (640106414033) 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 7 ways as a sum of consecutive naturals, for example, 45786860 + ... + 45800837.

It is an arithmetic number, because the mean of its divisors is an integer number (83115835935).

Almost surely, 2^640106414333 is an apocalyptic number.

It is an amenable number.

640106414333 is a deficient number, since it is larger than the sum of its proper divisors (24820273147).

640106414333 is a wasteful number, since it uses less digits than its factorization.

640106414333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91587967.

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 640106414333 in words is "six hundred forty billion, one hundred six million, four hundred fourteen thousand, three hundred thirty-three".