8464746491 has 2 divisors, whose sum is σ = 8464746492. Its totient is φ = 8464746490.

The previous prime is 8464746457. The next prime is 8464746529. The reversal of 8464746491 is 1946474648.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8464746491 - 2⁶ = 8464746427 is a prime.

It is not a weakly prime, because it can be changed into another prime (8464746401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4232373245 + 4232373246.

It is an arithmetic number, because the mean of its divisors is an integer number (4232373246).

Almost surely, 2^8464746491 is an apocalyptic number.

8464746491 is a deficient number, since it is larger than the sum of its proper divisors (1).

8464746491 is an equidigital number, since it uses as much as digits as its factorization.

8464746491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4644864, while the sum is 53.

The square root of 8464746491 is about 92004.0569268551. The cubic root of 8464746491 is about 2038.0022165517.

The spelling of 8464746491 in words is "eight billion, four hundred sixty-four million, seven hundred forty-six thousand, four hundred ninety-one".