68933465599 has 4 divisors (see below), whose sum is σ = 70614769680. Its totient is φ = 67252161520.

The previous prime is 68933465521. The next prime is 68933465651. The reversal of 68933465599 is 99556433986.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68933465599 - 2¹³ = 68933457407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68933465509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840651979 + ... + 840652060.

It is an arithmetic number, because the mean of its divisors is an integer number (17653692420).

Almost surely, 2^68933465599 is an apocalyptic number.

68933465599 is a deficient number, since it is larger than the sum of its proper divisors (1681304081).

68933465599 is a wasteful number, since it uses less digits than its factorization.

68933465599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681304080.

The product of its digits is 188956800, while the sum is 67.

The spelling of 68933465599 in words is "sixty-eight billion, nine hundred thirty-three million, four hundred sixty-five thousand, five hundred ninety-nine".