51434231141 has 4 divisors (see below), whose sum is σ = 51435667500. Its totient is φ = 51432794784.

The previous prime is 51434231099. The next prime is 51434231213. The reversal of 51434231141 is 14113243415.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1729312225 + 49704918916 = 41585^2 + 222946^2 .

It is a cyclic number.

It is not a de Polignac number, because 51434231141 - 2⁶ = 51434231077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51434234141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663056 + ... + 736553.

It is an arithmetic number, because the mean of its divisors is an integer number (12858916875).

Almost surely, 2^51434231141 is an apocalyptic number.

It is an amenable number.

51434231141 is a deficient number, since it is larger than the sum of its proper divisors (1436359).

51434231141 is a wasteful number, since it uses less digits than its factorization.

51434231141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436358.

The product of its digits is 5760, while the sum is 29.

Adding to 51434231141 its reverse (14113243415), we get a palindrome (65547474556).

The spelling of 51434231141 in words is "fifty-one billion, four hundred thirty-four million, two hundred thirty-one thousand, one hundred forty-one".