68954420869 has 8 divisors (see below), whose sum is σ = 70569067712. Its totient is φ = 67340276640.

The previous prime is 68954420849. The next prime is 68954420897. The reversal of 68954420869 is 96802445986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68954420869 - 2¹³ = 68954412677 is a prime.

It is a super-2 number, since 2×68954420869² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68954420809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159424 + ... + 404134.

It is an arithmetic number, because the mean of its divisors is an integer number (8821133464).

Almost surely, 2^68954420869 is an apocalyptic number.

It is an amenable number.

68954420869 is a deficient number, since it is larger than the sum of its proper divisors (1614646843).

68954420869 is a wasteful number, since it uses less digits than its factorization.

68954420869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251307.

The product of its (nonzero) digits is 29859840, while the sum is 61.

The spelling of 68954420869 in words is "sixty-eight billion, nine hundred fifty-four million, four hundred twenty thousand, eight hundred sixty-nine".