68417133447 has 16 divisors (see below), whose sum is σ = 98680537088. Its totient is φ = 41914044000.

The previous prime is 68417133443. The next prime is 68417133451. The reversal of 68417133447 is 74433171486.

It is an interprime number because it is at equal distance from previous prime (68417133443) and next prime (68417133451).

It is not a de Polignac number, because 68417133447 - 2² = 68417133443 is a prime.

It is a super-2 number, since 2×68417133447² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68417133396 and 68417133405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68417133443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3924679 + ... + 3942072.

It is an arithmetic number, because the mean of its divisors is an integer number (6167533568).

Almost surely, 2^68417133447 is an apocalyptic number.

68417133447 is a deficient number, since it is larger than the sum of its proper divisors (30263403641).

68417133447 is a wasteful number, since it uses less digits than its factorization.

68417133447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7866990.

The product of its digits is 1354752, while the sum is 48.

The spelling of 68417133447 in words is "sixty-eight billion, four hundred seventeen million, one hundred thirty-three thousand, four hundred forty-seven".