51268403359 has 2 divisors, whose sum is σ = 51268403360. Its totient is φ = 51268403358.

The previous prime is 51268403321. The next prime is 51268403387. The reversal of 51268403359 is 95330486215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51268403359 - 2⁷ = 51268403231 is a prime.

It is a super-2 number, since 2×51268403359² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51268403059) 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, 25634201679 + 25634201680.

It is an arithmetic number, because the mean of its divisors is an integer number (25634201680).

Almost surely, 2^51268403359 is an apocalyptic number.

51268403359 is a deficient number, since it is larger than the sum of its proper divisors (1).

51268403359 is an equidigital number, since it uses as much as digits as its factorization.

51268403359 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 51268403359 in words is "fifty-one billion, two hundred sixty-eight million, four hundred three thousand, three hundred fifty-nine".