918968747 has 2 divisors, whose sum is σ = 918968748. Its totient is φ = 918968746.

The previous prime is 918968731. The next prime is 918968753. The reversal of 918968747 is 747869819.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 918968747 - 2⁴ = 918968731 is a prime.

It is not a weakly prime, because it can be changed into another prime (918968707) 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, 459484373 + 459484374.

It is an arithmetic number, because the mean of its divisors is an integer number (459484374).

Almost surely, 2^918968747 is an apocalyptic number.

918968747 is a deficient number, since it is larger than the sum of its proper divisors (1).

918968747 is an equidigital number, since it uses as much as digits as its factorization.

918968747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 59.

The square root of 918968747 is about 30314.4973073940. The cubic root of 918968747 is about 972.2252899377.

The spelling of 918968747 in words is "nine hundred eighteen million, nine hundred sixty-eight thousand, seven hundred forty-seven".