51384753191 has 2 divisors, whose sum is σ = 51384753192. Its totient is φ = 51384753190.

The previous prime is 51384753143. The next prime is 51384753227. The reversal of 51384753191 is 19135748315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51384753191 - 2¹⁴ = 51384736807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51384750191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25692376595 + 25692376596.

It is an arithmetic number, because the mean of its divisors is an integer number (25692376596).

Almost surely, 2^51384753191 is an apocalyptic number.

51384753191 is a deficient number, since it is larger than the sum of its proper divisors (1).

51384753191 is an equidigital number, since it uses as much as digits as its factorization.

51384753191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 47.

The spelling of 51384753191 in words is "fifty-one billion, three hundred eighty-four million, seven hundred fifty-three thousand, one hundred ninety-one".