640829201303 has 2 divisors, whose sum is σ = 640829201304. Its totient is φ = 640829201302.

The previous prime is 640829201269. The next prime is 640829201387. The reversal of 640829201303 is 303102928046.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-640829201303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (640829201003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320414600651 + 320414600652.

It is an arithmetic number, because the mean of its divisors is an integer number (320414600652).

Almost surely, 2^640829201303 is an apocalyptic number.

640829201303 is a deficient number, since it is larger than the sum of its proper divisors (1).

640829201303 is an equidigital number, since it uses as much as digits as its factorization.

640829201303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 640829201303 in words is "six hundred forty billion, eight hundred twenty-nine million, two hundred one thousand, three hundred three".