68184941999451 has 16 divisors (see below), whose sum is σ = 92378771136000. Its totient is φ = 44729572825568.

The previous prime is 68184941999429. The next prime is 68184941999479. The reversal of 68184941999451 is 15499914948186.

It is a cyclic number.

It is not a de Polignac number, because 68184941999451 - 2⁹ = 68184941998939 is a prime.

It is a super-3 number, since 3×68184941999451³ (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (68184941999401) 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, 712751331 + ... + 712846988.

It is an arithmetic number, because the mean of its divisors is an integer number (5773673196000).

Almost surely, 2^{68184941999451} is an apocalyptic number.

68184941999451 is a deficient number, since it is larger than the sum of its proper divisors (24193829136549).

68184941999451 is a wasteful number, since it uses less digits than its factorization.

68184941999451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425598578.

The product of its digits is 806215680, while the sum is 78.

The spelling of 68184941999451 in words is "sixty-eight trillion, one hundred eighty-four billion, nine hundred forty-one million, nine hundred ninety-nine thousand, four hundred fifty-one".