51349137067 has 2 divisors, whose sum is σ = 51349137068. Its totient is φ = 51349137066.

The previous prime is 51349137043. The next prime is 51349137089. The reversal of 51349137067 is 76073194315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51349137067 - 2¹⁹ = 51348612779 is a prime.

It is not a weakly prime, because it can be changed into another prime (51349137017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25674568533 + 25674568534.

It is an arithmetic number, because the mean of its divisors is an integer number (25674568534).

Almost surely, 2^51349137067 is an apocalyptic number.

51349137067 is a deficient number, since it is larger than the sum of its proper divisors (1).

51349137067 is an equidigital number, since it uses as much as digits as its factorization.

51349137067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 476280, while the sum is 46.

The spelling of 51349137067 in words is "fifty-one billion, three hundred forty-nine million, one hundred thirty-seven thousand, sixty-seven".