8464746457 has 2 divisors, whose sum is σ = 8464746458. Its totient is φ = 8464746456.

The previous prime is 8464746439. The next prime is 8464746491. The reversal of 8464746457 is 7546474648.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6815493136 + 1649253321 = 82556^2 + 40611^2 .

It is a cyclic number.

It is not a de Polignac number, because 8464746457 - 2²⁷ = 8330528729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8464746398 and 8464746407.

It is not a weakly prime, because it can be changed into another prime (8464746427) 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, 4232373228 + 4232373229.

It is an arithmetic number, because the mean of its divisors is an integer number (4232373229).

Almost surely, 2^8464746457 is an apocalyptic number.

It is an amenable number.

8464746457 is a deficient number, since it is larger than the sum of its proper divisors (1).

8464746457 is an equidigital number, since it uses as much as digits as its factorization.

8464746457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18063360, while the sum is 55.

The square root of 8464746457 is about 92004.0567420807. The cubic root of 8464746457 is about 2038.0022138230.

Subtracting from 8464746457 its reverse (7546474648), we obtain a square (918271809 = 30303²).

The spelling of 8464746457 in words is "eight billion, four hundred sixty-four million, seven hundred forty-six thousand, four hundred fifty-seven".