51701269268 has 12 divisors (see below), whose sum is σ = 98702423232. Its totient is φ = 23500576920.

The previous prime is 51701269267. The next prime is 51701269271. The reversal of 51701269268 is 86296210715.

It is a happy number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51701269267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587514380 + ... + 587514467.

It is an arithmetic number, because the mean of its divisors is an integer number (8225201936).

Almost surely, 2^51701269268 is an apocalyptic number.

It is an amenable number.

51701269268 is a deficient number, since it is larger than the sum of its proper divisors (47001153964).

51701269268 is a wasteful number, since it uses less digits than its factorization.

51701269268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175028862 (or 1175028860 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 51701269268 in words is "fifty-one billion, seven hundred one million, two hundred sixty-nine thousand, two hundred sixty-eight".