51044341819 has 2 divisors, whose sum is σ = 51044341820. Its totient is φ = 51044341818.

The previous prime is 51044341771. The next prime is 51044341841. The reversal of 51044341819 is 91814344015.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51044341819 - 2²³ = 51035953211 is a prime.

It is a super-2 number, since 2×51044341819² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51044341889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25522170909 + 25522170910.

It is an arithmetic number, because the mean of its divisors is an integer number (25522170910).

Almost surely, 2^51044341819 is an apocalyptic number.

51044341819 is a deficient number, since it is larger than the sum of its proper divisors (1).

51044341819 is an equidigital number, since it uses as much as digits as its factorization.

51044341819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 51044341819 in words is "fifty-one billion, forty-four million, three hundred forty-one thousand, eight hundred nineteen".