51466046427 has 6 divisors (see below), whose sum is σ = 74339844852. Its totient is φ = 34310697612.

The previous prime is 51466046413. The next prime is 51466046461. The reversal of 51466046427 is 72464066415.

51466046427 is a `hidden beast` number, since 5 + 14 + 6 + 604 + 6 + 4 + 27 = 666.

It is not a de Polignac number, because 51466046427 - 2⁷ = 51466046299 is a prime.

It is a super-2 number, since 2×51466046427² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51466096427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2859224793 + ... + 2859224810.

It is an arithmetic number, because the mean of its divisors is an integer number (12389974142).

Almost surely, 2^51466046427 is an apocalyptic number.

51466046427 is a deficient number, since it is larger than the sum of its proper divisors (22873798425).

51466046427 is a wasteful number, since it uses less digits than its factorization.

51466046427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5718449609 (or 5718449606 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 51466046427 in words is "fifty-one billion, four hundred sixty-six million, forty-six thousand, four hundred twenty-seven".