64502275253336 has 8 divisors (see below), whose sum is σ = 120941766100020. Its totient is φ = 32251137626664.

The previous prime is 64502275253333. The next prime is 64502275253371. The reversal of 64502275253336 is 63335257220546.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64502275253333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4031392203326 + ... + 4031392203341.

Almost surely, 2^{64502275253336} is an apocalyptic number.

It is an amenable number.

64502275253336 is a deficient number, since it is larger than the sum of its proper divisors (56439490846684).

64502275253336 is a wasteful number, since it uses less digits than its factorization.

64502275253336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8062784406673 (or 8062784406669 counting only the distinct ones).

The product of its (nonzero) digits is 27216000, while the sum is 53.

The spelling of 64502275253336 in words is "sixty-four trillion, five hundred two billion, two hundred seventy-five million, two hundred fifty-three thousand, three hundred thirty-six".