4566845749 has 2 divisors, whose sum is σ = 4566845750. Its totient is φ = 4566845748.

The previous prime is 4566845747. The next prime is 4566845761. The reversal of 4566845749 is 9475486654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4566380625 + 465124 = 67575^2 + 682^2 .

It is a cyclic number.

It is not a de Polignac number, because 4566845749 - 2¹ = 4566845747 is a prime.

Together with 4566845747, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4566845693 and 4566845702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4566845743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2283422874 + 2283422875.

It is an arithmetic number, because the mean of its divisors is an integer number (2283422875).

Almost surely, 2^4566845749 is an apocalyptic number.

It is an amenable number.

4566845749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4566845749 is an equidigital number, since it uses as much as digits as its factorization.

4566845749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29030400, while the sum is 58.

The square root of 4566845749 is about 67578.4414513978. The cubic root of 4566845749 is about 1659.0982847708.

The spelling of 4566845749 in words is "four billion, five hundred sixty-six million, eight hundred forty-five thousand, seven hundred forty-nine".