68662465983 has 6 divisors (see below), whose sum is σ = 99179117544. Its totient is φ = 45774977316.

The previous prime is 68662465969. The next prime is 68662465999. The reversal of 68662465983 is 38956426686.

68662465983 is a `hidden beast` number, since 6 + 86 + 6 + 2 + 465 + 98 + 3 = 666.

It is not a de Polignac number, because 68662465983 - 2²² = 68658271679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68662465983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68662465913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3814581435 + ... + 3814581452.

It is an arithmetic number, because the mean of its divisors is an integer number (16529852924).

Almost surely, 2^68662465983 is an apocalyptic number.

68662465983 is a deficient number, since it is larger than the sum of its proper divisors (30516651561).

68662465983 is a wasteful number, since it uses less digits than its factorization.

68662465983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7629162893 (or 7629162890 counting only the distinct ones).

The product of its digits is 89579520, while the sum is 63.

The spelling of 68662465983 in words is "sixty-eight billion, six hundred sixty-two million, four hundred sixty-five thousand, nine hundred eighty-three".