846948749 has 2 divisors, whose sum is σ = 846948750. Its totient is φ = 846948748.

The previous prime is 846948733. The next prime is 846948761. The reversal of 846948749 is 947849648.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 710222500 + 136726249 = 26650^2 + 11693^2 .

It is a cyclic number.

It is not a de Polignac number, because 846948749 - 2⁴ = 846948733 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (846948719) 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, 423474374 + 423474375.

It is an arithmetic number, because the mean of its divisors is an integer number (423474375).

Almost surely, 2^846948749 is an apocalyptic number.

It is an amenable number.

846948749 is a deficient number, since it is larger than the sum of its proper divisors (1).

846948749 is an equidigital number, since it uses as much as digits as its factorization.

846948749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13934592, while the sum is 59.

The square root of 846948749 is about 29102.3839057903. The cubic root of 846948749 is about 946.1334063715.

The spelling of 846948749 in words is "eight hundred forty-six million, nine hundred forty-eight thousand, seven hundred forty-nine".