51443143214 has 32 divisors (see below), whose sum is σ = 80982688896. Its totient is φ = 24479919360.

The previous prime is 51443143201. The next prime is 51443143217. The reversal of 51443143214 is 41234134415.

It is a super-2 number, since 2×51443143214² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51443143217) 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, 8598104 + ... + 8604084.

It is an arithmetic number, because the mean of its divisors is an integer number (2530709028).

Almost surely, 2^51443143214 is an apocalyptic number.

51443143214 is a deficient number, since it is larger than the sum of its proper divisors (29539545682).

51443143214 is a wasteful number, since it uses less digits than its factorization.

51443143214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8540.

The product of its digits is 23040, while the sum is 32.

Adding to 51443143214 its reverse (41234134415), we get a palindrome (92677277629).

The spelling of 51443143214 in words is "fifty-one billion, four hundred forty-three million, one hundred forty-three thousand, two hundred fourteen".