51837103740437 has 2 divisors, whose sum is σ = 51837103740438. Its totient is φ = 51837103740436.

The previous prime is 51837103740419. The next prime is 51837103740463. The reversal of 51837103740437 is 73404730173815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37539320240356 + 14297783500081 = 6126934^2 + 3781241^2 .

It is a cyclic number.

It is not a de Polignac number, because 51837103740437 - 2¹⁶ = 51837103674901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51837103740407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25918551870218 + 25918551870219.

It is an arithmetic number, because the mean of its divisors is an integer number (25918551870219).

Almost surely, 2^{51837103740437} is an apocalyptic number.

It is an amenable number.

51837103740437 is a deficient number, since it is larger than the sum of its proper divisors (1).

51837103740437 is an equidigital number, since it uses as much as digits as its factorization.

51837103740437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5927040, while the sum is 53.

The spelling of 51837103740437 in words is "fifty-one trillion, eight hundred thirty-seven billion, one hundred three million, seven hundred forty thousand, four hundred thirty-seven".