51336410837 has 2 divisors, whose sum is σ = 51336410838. Its totient is φ = 51336410836.

The previous prime is 51336410777. The next prime is 51336410863. The reversal of 51336410837 is 73801463315.

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., 43258176196 + 8078234641 = 207986^2 + 89879^2 .

It is a cyclic number.

It is not a de Polignac number, because 51336410837 - 2⁸ = 51336410581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51336410794 and 51336410803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51336410737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25668205418 + 25668205419.

It is an arithmetic number, because the mean of its divisors is an integer number (25668205419).

Almost surely, 2^51336410837 is an apocalyptic number.

It is an amenable number.

51336410837 is a deficient number, since it is larger than the sum of its proper divisors (1).

51336410837 is an equidigital number, since it uses as much as digits as its factorization.

51336410837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 51336410837 in words is "fifty-one billion, three hundred thirty-six million, four hundred ten thousand, eight hundred thirty-seven".