68993672463 has 12 divisors (see below), whose sum is σ = 99661559920. Its totient is φ = 45993920256.

The previous prime is 68993672431. The next prime is 68993672477. The reversal of 68993672463 is 36427639986.

68993672463 is a `hidden beast` number, since 6 + 89 + 93 + 6 + 7 + 2 + 463 = 666.

It is not a de Polignac number, because 68993672463 - 2⁵ = 68993672431 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 68993672463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68993672483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102078 + ... + 385236.

Almost surely, 2^68993672463 is an apocalyptic number.

68993672463 is a deficient number, since it is larger than the sum of its proper divisors (30667887457).

68993672463 is a wasteful number, since it uses less digits than its factorization.

68993672463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310238 (or 310235 counting only the distinct ones).

The product of its digits is 70543872, while the sum is 63.

The spelling of 68993672463 in words is "sixty-eight billion, nine hundred ninety-three million, six hundred seventy-two thousand, four hundred sixty-three".