51682068213 has 16 divisors (see below), whose sum is σ = 69573943296. Its totient is φ = 34123405680.

The previous prime is 51682068211. The next prime is 51682068233. The reversal of 51682068213 is 31286028615.

It is not a de Polignac number, because 51682068213 - 2¹ = 51682068211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51682068211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98770 + ... + 336332.

It is an arithmetic number, because the mean of its divisors is an integer number (4348371456).

Almost surely, 2^51682068213 is an apocalyptic number.

It is an amenable number.

51682068213 is a deficient number, since it is larger than the sum of its proper divisors (17891875083).

51682068213 is a wasteful number, since it uses less digits than its factorization.

51682068213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238264.

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 51682068213 in words is "fifty-one billion, six hundred eighty-two million, sixty-eight thousand, two hundred thirteen".