68396154813249 has 8 divisors (see below), whose sum is σ = 91199553903072. Its totient is φ = 45595096132800.

The previous prime is 68396154813209. The next prime is 68396154813257. The reversal of 68396154813249 is 94231845169386.

68396154813249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-68396154813249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68396154813209) 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 7 ways as a sum of consecutive naturals, for example, 585034152 + ... + 585151049.

It is an arithmetic number, because the mean of its divisors is an integer number (11399944237884).

Almost surely, 2^{68396154813249} is an apocalyptic number.

It is an amenable number.

68396154813249 is a deficient number, since it is larger than the sum of its proper divisors (22803399089823).

68396154813249 is a wasteful number, since it uses less digits than its factorization.

68396154813249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170204687.

The product of its digits is 268738560, while the sum is 69.

The spelling of 68396154813249 in words is "sixty-eight trillion, three hundred ninety-six billion, one hundred fifty-four million, eight hundred thirteen thousand, two hundred forty-nine".