68446474284458 has 64 divisors (see below), whose sum is σ = 104501555136000. Its totient is φ = 33619317525504.

The previous prime is 68446474284427. The next prime is 68446474284469. The reversal of 68446474284458 is 85448247464486.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24736707791 + ... + 24736710557.

It is an arithmetic number, because the mean of its divisors is an integer number (1632836799000).

Almost surely, 2^{68446474284458} is an apocalyptic number.

68446474284458 is a deficient number, since it is larger than the sum of its proper divisors (36055080851542).

68446474284458 is a wasteful number, since it uses less digits than its factorization.

68446474284458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4719.

The product of its digits is 5284823040, while the sum is 74.

The spelling of 68446474284458 in words is "sixty-eight trillion, four hundred forty-six billion, four hundred seventy-four million, two hundred eighty-four thousand, four hundred fifty-eight".