67945453610245 has 16 divisors (see below), whose sum is σ = 82520245366272. Its totient is φ = 53699282153920.

The previous prime is 67945453610179. The next prime is 67945453610339. The reversal of 67945453610245 is 54201635454976.

It is a de Polignac number, because none of the positive numbers 2^k-67945453610245 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6920319 + ... + 13556611.

It is an arithmetic number, because the mean of its divisors is an integer number (5157515335392).

Almost surely, 2^{67945453610245} is an apocalyptic number.

It is an amenable number.

67945453610245 is a deficient number, since it is larger than the sum of its proper divisors (14574791756027).

67945453610245 is a wasteful number, since it uses less digits than its factorization.

67945453610245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6661052.

The product of its (nonzero) digits is 108864000, while the sum is 61.

The spelling of 67945453610245 in words is "sixty-seven trillion, nine hundred forty-five billion, four hundred fifty-three million, six hundred ten thousand, two hundred forty-five".