64271096501 has 2 divisors, whose sum is σ = 64271096502. Its totient is φ = 64271096500.

The previous prime is 64271096497. The next prime is 64271096573. The reversal of 64271096501 is 10569017246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50872802500 + 13398294001 = 225550^2 + 115751^2 .

It is a cyclic number.

It is not a de Polignac number, because 64271096501 - 2² = 64271096497 is a prime.

It is a super-3 number, since 3×64271096501³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64271096581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32135548250 + 32135548251.

It is an arithmetic number, because the mean of its divisors is an integer number (32135548251).

Almost surely, 2^64271096501 is an apocalyptic number.

It is an amenable number.

64271096501 is a deficient number, since it is larger than the sum of its proper divisors (1).

64271096501 is an equidigital number, since it uses as much as digits as its factorization.

64271096501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 64271096501 in words is "sixty-four billion, two hundred seventy-one million, ninety-six thousand, five hundred one".