51345060170149 has 2 divisors, whose sum is σ = 51345060170150. Its totient is φ = 51345060170148.

The previous prime is 51345060170147. The next prime is 51345060170153. The reversal of 51345060170149 is 94107106054315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38156033181249 + 13189026988900 = 6177057^2 + 3631670^2 .

It is a cyclic number.

It is not a de Polignac number, because 51345060170149 - 2¹ = 51345060170147 is a prime.

Together with 51345060170147, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 51345060170099 and 51345060170108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51345060170141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25672530085074 + 25672530085075.

It is an arithmetic number, because the mean of its divisors is an integer number (25672530085075).

Almost surely, 2^{51345060170149} is an apocalyptic number.

It is an amenable number.

51345060170149 is a deficient number, since it is larger than the sum of its proper divisors (1).

51345060170149 is an equidigital number, since it uses as much as digits as its factorization.

51345060170149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 51345060170149 in words is "fifty-one trillion, three hundred forty-five billion, sixty million, one hundred seventy thousand, one hundred forty-nine".