68417133451 has 2 divisors, whose sum is σ = 68417133452. Its totient is φ = 68417133450.

The previous prime is 68417133443. The next prime is 68417133457. The reversal of 68417133451 is 15433171486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68417133451 - 2³ = 68417133443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68417133398 and 68417133407.

It is not a weakly prime, because it can be changed into another prime (68417133457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34208566725 + 34208566726.

It is an arithmetic number, because the mean of its divisors is an integer number (34208566726).

Almost surely, 2^68417133451 is an apocalyptic number.

68417133451 is a deficient number, since it is larger than the sum of its proper divisors (1).

68417133451 is an equidigital number, since it uses as much as digits as its factorization.

68417133451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The spelling of 68417133451 in words is "sixty-eight billion, four hundred seventeen million, one hundred thirty-three thousand, four hundred fifty-one".