912706378321 has 2 divisors, whose sum is σ = 912706378322. Its totient is φ = 912706378320.

The previous prime is 912706378307. The next prime is 912706378393. The reversal of 912706378321 is 123873607219.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 652361520721 + 260344857600 = 807689^2 + 510240^2 .

It is an emirp because it is prime and its reverse (123873607219) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 912706378321 - 2¹³ = 912706370129 is a prime.

It is not a weakly prime, because it can be changed into another prime (912700378321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456353189160 + 456353189161.

It is an arithmetic number, because the mean of its divisors is an integer number (456353189161).

Almost surely, 2^912706378321 is an apocalyptic number.

It is an amenable number.

912706378321 is a deficient number, since it is larger than the sum of its proper divisors (1).

912706378321 is an equidigital number, since it uses as much as digits as its factorization.

912706378321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 912706378321 in words is "nine hundred twelve billion, seven hundred six million, three hundred seventy-eight thousand, three hundred twenty-one".