4749297409 has 2 divisors, whose sum is σ = 4749297410. Its totient is φ = 4749297408.

The previous prime is 4749297403. The next prime is 4749297503. The reversal of 4749297409 is 9047929474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2649366784 + 2099930625 = 51472^2 + 45825^2 .

It is a cyclic number.

It is not a de Polignac number, because 4749297409 - 2³ = 4749297401 is a prime.

It is a super-2 number, since 2×4749297409² = 45111651758268226562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4749297409.

It is not a weakly prime, because it can be changed into another prime (4749297401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2374648704 + 2374648705.

It is an arithmetic number, because the mean of its divisors is an integer number (2374648705).

Almost surely, 2^4749297409 is an apocalyptic number.

It is an amenable number.

4749297409 is a deficient number, since it is larger than the sum of its proper divisors (1).

4749297409 is an equidigital number, since it uses as much as digits as its factorization.

4749297409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The square root of 4749297409 is about 68915.1464411126. The cubic root of 4749297409 is about 1680.9048188333.

The spelling of 4749297409 in words is "four billion, seven hundred forty-nine million, two hundred ninety-seven thousand, four hundred nine".