51789367569289 has 21 divisors (see below), whose sum is σ = 60423735390151. Its totient is φ = 44388770721960.

The previous prime is 51789367569271. The next prime is 51789367569301. The reversal of 51789367569289 is 98296576398715.

The square root of 51789367569289 is 7196483.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 26228051696889 + 25561315872400 = 5121333^2 + 5055820^2 .

It is not a de Polignac number, because 51789367569289 - 2⁷ = 51789367569161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51789367569229) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 2468383179 + ... + 2468404159.

Almost surely, 2^{51789367569289} is an apocalyptic number.

51789367569289 is the 7196483-rd square number.

51789367569289 is the 3598242-nd centered octagonal number.

It is an amenable number.

51789367569289 is a deficient number, since it is larger than the sum of its proper divisors (8634367820862).

51789367569289 is an frugal number, since it uses more digits than its factorization.

51789367569289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42004 (or 20988 counting only the distinct ones).

The product of its digits is 12345177600, while the sum is 85.

The spelling of 51789367569289 in words is "fifty-one trillion, seven hundred eighty-nine billion, three hundred sixty-seven million, five hundred sixty-nine thousand, two hundred eighty-nine".