51382283993 has 2 divisors, whose sum is σ = 51382283994. Its totient is φ = 51382283992.

The previous prime is 51382283969. The next prime is 51382284053. The reversal of 51382283993 is 39938228315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38866939609 + 12515344384 = 197147^2 + 111872^2 .

It is a cyclic number.

It is not a de Polignac number, because 51382283993 - 2¹⁴ = 51382267609 is a prime.

It is not a weakly prime, because it can be changed into another prime (51382283923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25691141996 + 25691141997.

It is an arithmetic number, because the mean of its divisors is an integer number (25691141997).

Almost surely, 2^51382283993 is an apocalyptic number.

It is an amenable number.

51382283993 is a deficient number, since it is larger than the sum of its proper divisors (1).

51382283993 is an equidigital number, since it uses as much as digits as its factorization.

51382283993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 53.

The spelling of 51382283993 in words is "fifty-one billion, three hundred eighty-two million, two hundred eighty-three thousand, nine hundred ninety-three".