51030351004447 has 2 divisors, whose sum is σ = 51030351004448. Its totient is φ = 51030351004446.

The previous prime is 51030351004427. The next prime is 51030351004453. The reversal of 51030351004447 is 74440015303015.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51030351004447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51030351004427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25515175502223 + 25515175502224.

It is an arithmetic number, because the mean of its divisors is an integer number (25515175502224).

Almost surely, 2^{51030351004447} is an apocalyptic number.

51030351004447 is a deficient number, since it is larger than the sum of its proper divisors (1).

51030351004447 is an equidigital number, since it uses as much as digits as its factorization.

51030351004447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 51030351004447 in words is "fifty-one trillion, thirty billion, three hundred fifty-one million, four thousand, four hundred forty-seven".