51234174163 has 2 divisors, whose sum is σ = 51234174164. Its totient is φ = 51234174162.

The previous prime is 51234174149. The next prime is 51234174197. The reversal of 51234174163 is 36147143215.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51234174163 is a prime.

It is not a weakly prime, because it can be changed into another prime (51234174263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25617087081 + 25617087082.

It is an arithmetic number, because the mean of its divisors is an integer number (25617087082).

Almost surely, 2^51234174163 is an apocalyptic number.

51234174163 is a deficient number, since it is larger than the sum of its proper divisors (1).

51234174163 is an equidigital number, since it uses as much as digits as its factorization.

51234174163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The spelling of 51234174163 in words is "fifty-one billion, two hundred thirty-four million, one hundred seventy-four thousand, one hundred sixty-three".