51000430471 has 2 divisors, whose sum is σ = 51000430472. Its totient is φ = 51000430470.

The previous prime is 51000430463. The next prime is 51000430541. The reversal of 51000430471 is 17403400015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51000430471 - 2³ = 51000430463 is a prime.

It is a super-3 number, since 3×51000430471³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51000430421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500215235 + 25500215236.

It is an arithmetic number, because the mean of its divisors is an integer number (25500215236).

Almost surely, 2^51000430471 is an apocalyptic number.

51000430471 is a deficient number, since it is larger than the sum of its proper divisors (1).

51000430471 is an equidigital number, since it uses as much as digits as its factorization.

51000430471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

Adding to 51000430471 its reverse (17403400015), we get a palindrome (68403830486).

The spelling of 51000430471 in words is "fifty-one billion, four hundred thirty thousand, four hundred seventy-one".