51426004319 has 2 divisors, whose sum is σ = 51426004320. Its totient is φ = 51426004318.

The previous prime is 51426004261. The next prime is 51426004337. The reversal of 51426004319 is 91340062415.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51426004319 is a prime.

It is a super-2 number, since 2×51426004319² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51426004369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25713002159 + 25713002160.

It is an arithmetic number, because the mean of its divisors is an integer number (25713002160).

Almost surely, 2^51426004319 is an apocalyptic number.

51426004319 is a deficient number, since it is larger than the sum of its proper divisors (1).

51426004319 is an equidigital number, since it uses as much as digits as its factorization.

51426004319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 51426004319 in words is "fifty-one billion, four hundred twenty-six million, four thousand, three hundred nineteen".