64635601353 has 24 divisors (see below), whose sum is σ = 87745980000. Its totient is φ = 42321543936.

The previous prime is 64635601313. The next prime is 64635601379. The reversal of 64635601353 is 35310653646.

It is not a de Polignac number, because 64635601353 - 2¹³ = 64635593161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64635601313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15651993 + ... + 15656121.

It is an arithmetic number, because the mean of its divisors is an integer number (3656082500).

Almost surely, 2^64635601353 is an apocalyptic number.

It is an amenable number.

64635601353 is a deficient number, since it is larger than the sum of its proper divisors (23110378647).

64635601353 is a wasteful number, since it uses less digits than its factorization.

64635601353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5749 (or 5690 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 42.

The spelling of 64635601353 in words is "sixty-four billion, six hundred thirty-five million, six hundred one thousand, three hundred fifty-three".