64221303371 has 2 divisors, whose sum is σ = 64221303372. Its totient is φ = 64221303370.

The previous prime is 64221303347. The next prime is 64221303397. The reversal of 64221303371 is 17330312246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64221303371 - 2²² = 64217109067 is a prime.

It is not a weakly prime, because it can be changed into another prime (64221303301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32110651685 + 32110651686.

It is an arithmetic number, because the mean of its divisors is an integer number (32110651686).

Almost surely, 2^64221303371 is an apocalyptic number.

64221303371 is a deficient number, since it is larger than the sum of its proper divisors (1).

64221303371 is an equidigital number, since it uses as much as digits as its factorization.

64221303371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The spelling of 64221303371 in words is "sixty-four billion, two hundred twenty-one million, three hundred three thousand, three hundred seventy-one".