51834073387 has 2 divisors, whose sum is σ = 51834073388. Its totient is φ = 51834073386.

The previous prime is 51834073297. The next prime is 51834073409. The reversal of 51834073387 is 78337043815.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51834073387 - 2⁷ = 51834073259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51834073387.

It is not a weakly prime, because it can be changed into another prime (51834073787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25917036693 + 25917036694.

It is an arithmetic number, because the mean of its divisors is an integer number (25917036694).

Almost surely, 2^51834073387 is an apocalyptic number.

51834073387 is a deficient number, since it is larger than the sum of its proper divisors (1).

51834073387 is an equidigital number, since it uses as much as digits as its factorization.

51834073387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 51834073387 in words is "fifty-one billion, eight hundred thirty-four million, seventy-three thousand, three hundred eighty-seven".