912029681 has 2 divisors, whose sum is σ = 912029682. Its totient is φ = 912029680.

The previous prime is 912029669. The next prime is 912029693. The reversal of 912029681 is 186920219.

It is a balanced prime because it is at equal distance from previous prime (912029669) and next prime (912029693).

It can be written as a sum of positive squares in only one way, i.e., 592192225 + 319837456 = 24335^2 + 17884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-912029681 is a prime.

It is a super-2 number, since 2×912029681² = 1663596278049923522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (912029081) 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 as a sum of consecutive naturals, namely, 456014840 + 456014841.

It is an arithmetic number, because the mean of its divisors is an integer number (456014841).

Almost surely, 2^912029681 is an apocalyptic number.

It is an amenable number.

912029681 is a deficient number, since it is larger than the sum of its proper divisors (1).

912029681 is an equidigital number, since it uses as much as digits as its factorization.

912029681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 912029681 is about 30199.8291551459. The cubic root of 912029681 is about 969.7720373359.

The spelling of 912029681 in words is "nine hundred twelve million, twenty-nine thousand, six hundred eighty-one".