51294339323 has 2 divisors, whose sum is σ = 51294339324. Its totient is φ = 51294339322.

The previous prime is 51294339289. The next prime is 51294339361. The reversal of 51294339323 is 32393349215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51294339323 - 2⁶ = 51294339259 is a prime.

It is a super-2 number, since 2×51294339323² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51294339023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25647169661 + 25647169662.

It is an arithmetic number, because the mean of its divisors is an integer number (25647169662).

Almost surely, 2^51294339323 is an apocalyptic number.

51294339323 is a deficient number, since it is larger than the sum of its proper divisors (1).

51294339323 is an equidigital number, since it uses as much as digits as its factorization.

51294339323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 44.

The spelling of 51294339323 in words is "fifty-one billion, two hundred ninety-four million, three hundred thirty-nine thousand, three hundred twenty-three".