51376258343 has 4 divisors (see below), whose sum is σ = 54080271960. Its totient is φ = 48672244728.

The previous prime is 51376258327. The next prime is 51376258357. The reversal of 51376258343 is 34385267315.

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

It is a cyclic number.

It is not a de Polignac number, because 51376258343 - 2⁴ = 51376258327 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 (51376258643) 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, 1352006780 + ... + 1352006817.

It is an arithmetic number, because the mean of its divisors is an integer number (13520067990).

Almost surely, 2^51376258343 is an apocalyptic number.

51376258343 is a deficient number, since it is larger than the sum of its proper divisors (2704013617).

51376258343 is a wasteful number, since it uses less digits than its factorization.

51376258343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704013616.

The product of its digits is 1814400, while the sum is 47.

The spelling of 51376258343 in words is "fifty-one billion, three hundred seventy-six million, two hundred fifty-eight thousand, three hundred forty-three".