5151172341673 has 2 divisors, whose sum is σ = 5151172341674. Its totient is φ = 5151172341672.

The previous prime is 5151172341647. The next prime is 5151172341797. The reversal of 5151172341673 is 3761432711515.

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., 5065573966489 + 85598375184 = 2250683^2 + 292572^2 .

It is a cyclic number.

It is not a de Polignac number, because 5151172341673 - 2⁵ = 5151172341641 is a prime.

It is not a weakly prime, because it can be changed into another prime (5151142341673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2575586170836 + 2575586170837.

It is an arithmetic number, because the mean of its divisors is an integer number (2575586170837).

Almost surely, 2^{5151172341673} is an apocalyptic number.

It is an amenable number.

5151172341673 is a deficient number, since it is larger than the sum of its proper divisors (1).

5151172341673 is an equidigital number, since it uses as much as digits as its factorization.

5151172341673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 529200, while the sum is 46.

The spelling of 5151172341673 in words is "five trillion, one hundred fifty-one billion, one hundred seventy-two million, three hundred forty-one thousand, six hundred seventy-three".