51846330493 has 2 divisors, whose sum is σ = 51846330494. Its totient is φ = 51846330492.

The previous prime is 51846330491. The next prime is 51846330539. The reversal of 51846330493 is 39403364815.

It is an a-pointer prime, because the next prime (51846330539) can be obtained adding 51846330493 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45811837369 + 6034493124 = 214037^2 + 77682^2 .

It is a cyclic number.

It is not a de Polignac number, because 51846330493 - 2¹ = 51846330491 is a prime.

Together with 51846330491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51846330491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25923165246 + 25923165247.

It is an arithmetic number, because the mean of its divisors is an integer number (25923165247).

Almost surely, 2^51846330493 is an apocalyptic number.

It is an amenable number.

51846330493 is a deficient number, since it is larger than the sum of its proper divisors (1).

51846330493 is an equidigital number, since it uses as much as digits as its factorization.

51846330493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 51846330493 in words is "fifty-one billion, eight hundred forty-six million, three hundred thirty thousand, four hundred ninety-three".