68694204485 has 16 divisors (see below), whose sum is σ = 82628574336. Its totient is φ = 54825098688.

The previous prime is 68694204479. The next prime is 68694204521. The reversal of 68694204485 is 58440249686.

It is a cyclic number.

It is not a de Polignac number, because 68694204485 - 2¹⁶ = 68694138949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68694204485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12539567 + ... + 12545043.

It is an arithmetic number, because the mean of its divisors is an integer number (5164285896).

Almost surely, 2^68694204485 is an apocalyptic number.

It is an amenable number.

68694204485 is a deficient number, since it is larger than the sum of its proper divisors (13934369851).

68694204485 is a wasteful number, since it uses less digits than its factorization.

68694204485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10972.

The product of its (nonzero) digits is 13271040, while the sum is 56.

The spelling of 68694204485 in words is "sixty-eight billion, six hundred ninety-four million, two hundred four thousand, four hundred eighty-five".