68597335653 has 64 divisors (see below), whose sum is σ = 120186132480. Its totient is φ = 33716563200.

The previous prime is 68597335637. The next prime is 68597335679. The reversal of 68597335653 is 35653379586.

It is a happy number.

It is not a de Polignac number, because 68597335653 - 2⁴ = 68597335637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68597335633) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3593851 + ... + 3612887.

It is an arithmetic number, because the mean of its divisors is an integer number (1877908320).

Almost surely, 2^68597335653 is an apocalyptic number.

It is an amenable number.

68597335653 is a deficient number, since it is larger than the sum of its proper divisors (51588796827).

68597335653 is a wasteful number, since it uses less digits than its factorization.

68597335653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19898.

The product of its digits is 61236000, while the sum is 60.

The spelling of 68597335653 in words is "sixty-eight billion, five hundred ninety-seven million, three hundred thirty-five thousand, six hundred fifty-three".