68347703145 has 16 divisors (see below), whose sum is σ = 109371413952. Its totient is φ = 36447078720.

The previous prime is 68347703143. The next prime is 68347703183. The reversal of 68347703145 is 54130774386.

It is not a de Polignac number, because 68347703145 - 2¹ = 68347703143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68347703094 and 68347703103.

It is not an unprimeable number, because it can be changed into a prime (68347703143) 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, 200691 + ... + 420680.

It is an arithmetic number, because the mean of its divisors is an integer number (6835713372).

Almost surely, 2^68347703145 is an apocalyptic number.

It is an amenable number.

68347703145 is a deficient number, since it is larger than the sum of its proper divisors (41023710807).

68347703145 is a wasteful number, since it uses less digits than its factorization.

68347703145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628712.

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 68347703145 in words is "sixty-eight billion, three hundred forty-seven million, seven hundred three thousand, one hundred forty-five".