51294338803 has 2 divisors, whose sum is σ = 51294338804. Its totient is φ = 51294338802.

The previous prime is 51294338791. The next prime is 51294338873. The reversal of 51294338803 is 30883349215.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51294338803 is a prime.

It is a super-2 number, since 2×51294338803² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51294338873) 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, 25647169401 + 25647169402.

It is an arithmetic number, because the mean of its divisors is an integer number (25647169402).

Almost surely, 2^51294338803 is an apocalyptic number.

51294338803 is a deficient number, since it is larger than the sum of its proper divisors (1).

51294338803 is an equidigital number, since it uses as much as digits as its factorization.

51294338803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 51294338803 in words is "fifty-one billion, two hundred ninety-four million, three hundred thirty-eight thousand, eight hundred three".