68849384045554 has 32 divisors (see below), whose sum is σ = 122635304138880. Its totient is φ = 28363896290688.

The previous prime is 68849384045531. The next prime is 68849384045569. The reversal of 68849384045554 is 45554048394886.

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, 373431547 + ... + 373615870.

It is an arithmetic number, because the mean of its divisors is an integer number (3832353254340).

Almost surely, 2^{68849384045554} is an apocalyptic number.

68849384045554 is a deficient number, since it is larger than the sum of its proper divisors (53785920093326).

68849384045554 is a wasteful number, since it uses less digits than its factorization.

68849384045554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747047682.

The product of its (nonzero) digits is 2654208000, while the sum is 73.

The spelling of 68849384045554 in words is "sixty-eight trillion, eight hundred forty-nine billion, three hundred eighty-four million, forty-five thousand, five hundred fifty-four".