51851269367 has 2 divisors, whose sum is σ = 51851269368. Its totient is φ = 51851269366.

The previous prime is 51851269331. The next prime is 51851269487. The reversal of 51851269367 is 76396215815.

It is a happy number.

51851269367 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51851269367 - 2⁸ = 51851269111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51851269567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25925634683 + 25925634684.

It is an arithmetic number, because the mean of its divisors is an integer number (25925634684).

Almost surely, 2^51851269367 is an apocalyptic number.

51851269367 is a deficient number, since it is larger than the sum of its proper divisors (1).

51851269367 is an equidigital number, since it uses as much as digits as its factorization.

51851269367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 53.

The spelling of 51851269367 in words is "fifty-one billion, eight hundred fifty-one million, two hundred sixty-nine thousand, three hundred sixty-seven".