68046471669 has 32 divisors (see below), whose sum is σ = 101240484480. Its totient is φ = 40305657600.

The previous prime is 68046471641. The next prime is 68046471671. The reversal of 68046471669 is 96617464086.

It is not a de Polignac number, because 68046471669 - 2¹⁶ = 68046406133 is a prime.

It is a super-3 number, since 3×68046471669³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68046471629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208387 + ... + 423695.

It is an arithmetic number, because the mean of its divisors is an integer number (3163765140).

Almost surely, 2^68046471669 is an apocalyptic number.

It is an amenable number.

68046471669 is a deficient number, since it is larger than the sum of its proper divisors (33194012811).

68046471669 is a wasteful number, since it uses less digits than its factorization.

68046471669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215541.

The product of its (nonzero) digits is 10450944, while the sum is 57.

The spelling of 68046471669 in words is "sixty-eight billion, forty-six million, four hundred seventy-one thousand, six hundred sixty-nine".