51346061453237 has 2 divisors, whose sum is σ = 51346061453238. Its totient is φ = 51346061453236.

The previous prime is 51346061453231. The next prime is 51346061453249. The reversal of 51346061453237 is 73235416064315.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29194721529796 + 22151339923441 = 5403214^2 + 4706521^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51346061453237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51346061453231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25673030726618 + 25673030726619.

It is an arithmetic number, because the mean of its divisors is an integer number (25673030726619).

Almost surely, 2^{51346061453237} is an apocalyptic number.

It is an amenable number.

51346061453237 is a deficient number, since it is larger than the sum of its proper divisors (1).

51346061453237 is an equidigital number, since it uses as much as digits as its factorization.

51346061453237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5443200, while the sum is 50.

The spelling of 51346061453237 in words is "fifty-one trillion, three hundred forty-six billion, sixty-one million, four hundred fifty-three thousand, two hundred thirty-seven".