912086641 has 2 divisors, whose sum is σ = 912086642. Its totient is φ = 912086640.

The previous prime is 912086639. The next prime is 912086683. The reversal of 912086641 is 146680219.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 852873616 + 59213025 = 29204^2 + 7695^2 .

It is a cyclic number.

It is not a de Polignac number, because 912086641 - 2¹ = 912086639 is a prime.

Together with 912086639, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 912086641.

It is not a weakly prime, because it can be changed into another prime (912086341) 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, 456043320 + 456043321.

It is an arithmetic number, because the mean of its divisors is an integer number (456043321).

Almost surely, 2^912086641 is an apocalyptic number.

It is an amenable number.

912086641 is a deficient number, since it is larger than the sum of its proper divisors (1).

912086641 is an equidigital number, since it uses as much as digits as its factorization.

912086641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 912086641 is about 30200.7721921146. The cubic root of 912086641 is about 969.7922256647.

The spelling of 912086641 in words is "nine hundred twelve million, eighty-six thousand, six hundred forty-one".