51350611243933 has 2 divisors, whose sum is σ = 51350611243934. Its totient is φ = 51350611243932.

The previous prime is 51350611243837. The next prime is 51350611243937. The reversal of 51350611243933 is 33934211605315.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47298108079044 + 4052503164889 = 6877362^2 + 2013083^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51350611243933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51350611243937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25675305621966 + 25675305621967.

It is an arithmetic number, because the mean of its divisors is an integer number (25675305621967).

Almost surely, 2^{51350611243933} is an apocalyptic number.

It is an amenable number.

51350611243933 is a deficient number, since it is larger than the sum of its proper divisors (1).

51350611243933 is an equidigital number, since it uses as much as digits as its factorization.

51350611243933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 874800, while the sum is 46.

The spelling of 51350611243933 in words is "fifty-one trillion, three hundred fifty billion, six hundred eleven million, two hundred forty-three thousand, nine hundred thirty-three".