68133749463 has 24 divisors (see below), whose sum is σ = 106046817968. Its totient is φ = 41904335232.

The previous prime is 68133749429. The next prime is 68133749491. The reversal of 68133749463 is 36494733186.

It is a happy number.

68133749463 is a `hidden beast` number, since 6 + 8 + 133 + 7 + 49 + 463 = 666.

It is not a de Polignac number, because 68133749463 - 2⁸ = 68133749207 is a prime.

68133749463 is a modest number, since divided by 749463 gives 68133 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68133749963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37731 + ... + 371067.

Almost surely, 2^68133749463 is an apocalyptic number.

68133749463 is a deficient number, since it is larger than the sum of its proper divisors (37913068505).

68133749463 is a wasteful number, since it uses less digits than its factorization.

68133749463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335103 (or 335100 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 54.

The spelling of 68133749463 in words is "sixty-eight billion, one hundred thirty-three million, seven hundred forty-nine thousand, four hundred sixty-three".