51849000263 has 2 divisors, whose sum is σ = 51849000264. Its totient is φ = 51849000262.

The previous prime is 51849000253. The next prime is 51849000299. The reversal of 51849000263 is 36200094815.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51849000263 - 2²² = 51844805959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51849000233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25924500131 + 25924500132.

It is an arithmetic number, because the mean of its divisors is an integer number (25924500132).

Almost surely, 2^51849000263 is an apocalyptic number.

51849000263 is a deficient number, since it is larger than the sum of its proper divisors (1).

51849000263 is an equidigital number, since it uses as much as digits as its factorization.

51849000263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 51849000263 in words is "fifty-one billion, eight hundred forty-nine million, two hundred sixty-three", and thus it is an aban number.