640302106001 has 2 divisors, whose sum is σ = 640302106002. Its totient is φ = 640302106000.

The previous prime is 640302105973. The next prime is 640302106021. The reversal of 640302106001 is 100601203046.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 605402261776 + 34899844225 = 778076^2 + 186815^2 .

It is a cyclic number.

It is not a de Polignac number, because 640302106001 - 2¹⁰ = 640302104977 is a prime.

It is not a weakly prime, because it can be changed into another prime (640302106021) 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 as a sum of consecutive naturals, namely, 320151053000 + 320151053001.

It is an arithmetic number, because the mean of its divisors is an integer number (320151053001).

Almost surely, 2^640302106001 is an apocalyptic number.

It is an amenable number.

640302106001 is a deficient number, since it is larger than the sum of its proper divisors (1).

640302106001 is an equidigital number, since it uses as much as digits as its factorization.

640302106001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 640302106001 its reverse (100601203046), we get a palindrome (740903309047).

The spelling of 640302106001 in words is "six hundred forty billion, three hundred two million, one hundred six thousand, one".