4749658561 has 2 divisors, whose sum is σ = 4749658562. Its totient is φ = 4749658560.

The previous prime is 4749658553. The next prime is 4749658597. The reversal of 4749658561 is 1658569474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4664207025 + 85451536 = 68295^2 + 9244^2 .

It is a cyclic number.

It is not a de Polignac number, because 4749658561 - 2³ = 4749658553 is a prime.

It is a super-3 number, since 3×4749658561³ (a number of 30 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (4749658531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2374829280 + 2374829281.

It is an arithmetic number, because the mean of its divisors is an integer number (2374829281).

Almost surely, 2^4749658561 is an apocalyptic number.

It is an amenable number.

4749658561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4749658561 is an equidigital number, since it uses as much as digits as its factorization.

4749658561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7257600, while the sum is 55.

The square root of 4749658561 is about 68917.7666570820. The cubic root of 4749658561 is about 1680.9474249073.

The spelling of 4749658561 in words is "four billion, seven hundred forty-nine million, six hundred fifty-eight thousand, five hundred sixty-one".