4454466749 has 2 divisors, whose sum is σ = 4454466750. Its totient is φ = 4454466748.

The previous prime is 4454466743. The next prime is 4454466791. The reversal of 4454466749 is 9476644544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3471330724 + 983136025 = 58918^2 + 31355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4454466749 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4454466749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4454466743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2227233374 + 2227233375.

It is an arithmetic number, because the mean of its divisors is an integer number (2227233375).

Almost surely, 2^4454466749 is an apocalyptic number.

It is an amenable number.

4454466749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4454466749 is an equidigital number, since it uses as much as digits as its factorization.

4454466749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11612160, while the sum is 53.

The square root of 4454466749 is about 66741.7916226408. The cubic root of 4454466749 is about 1645.3763115147.

The spelling of 4454466749 in words is "four billion, four hundred fifty-four million, four hundred sixty-six thousand, seven hundred forty-nine".