64562423071 has 2 divisors, whose sum is σ = 64562423072. Its totient is φ = 64562423070.

The previous prime is 64562423053. The next prime is 64562423129. The reversal of 64562423071 is 17032426546.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64562423071 - 2⁵ = 64562423039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64562423671) 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 as a sum of consecutive naturals, namely, 32281211535 + 32281211536.

It is an arithmetic number, because the mean of its divisors is an integer number (32281211536).

Almost surely, 2^64562423071 is an apocalyptic number.

64562423071 is a deficient number, since it is larger than the sum of its proper divisors (1).

64562423071 is an equidigital number, since it uses as much as digits as its factorization.

64562423071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 64562423071 in words is "sixty-four billion, five hundred sixty-two million, four hundred twenty-three thousand, seventy-one".