64601651065327 has 2 divisors, whose sum is σ = 64601651065328. Its totient is φ = 64601651065326.

The previous prime is 64601651065267. The next prime is 64601651065337. The reversal of 64601651065327 is 72356015610646.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64601651065327 - 2³⁵ = 64567291326959 is a prime.

It is a super-2 number, since 2×64601651065327² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64601651065337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32300825532663 + 32300825532664.

It is an arithmetic number, because the mean of its divisors is an integer number (32300825532664).

Almost surely, 2^{64601651065327} is an apocalyptic number.

64601651065327 is a deficient number, since it is larger than the sum of its proper divisors (1).

64601651065327 is an equidigital number, since it uses as much as digits as its factorization.

64601651065327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 64601651065327 in words is "sixty-four trillion, six hundred one billion, six hundred fifty-one million, sixty-five thousand, three hundred twenty-seven".