4720161569 has 2 divisors, whose sum is σ = 4720161570. Its totient is φ = 4720161568.

The previous prime is 4720161553. The next prime is 4720161619. The reversal of 4720161569 is 9651610274.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3064729600 + 1655431969 = 55360^2 + 40687^2 .

It is a cyclic number.

It is not a de Polignac number, because 4720161569 - 2⁴ = 4720161553 is a prime.

It is a super-2 number, since 2×4720161569² = 44559850474929083522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4720164569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2360080784 + 2360080785.

It is an arithmetic number, because the mean of its divisors is an integer number (2360080785).

Almost surely, 2^4720161569 is an apocalyptic number.

It is an amenable number.

4720161569 is a deficient number, since it is larger than the sum of its proper divisors (1).

4720161569 is an equidigital number, since it uses as much as digits as its factorization.

4720161569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 4720161569 is about 68703.4320030666. The cubic root of 4720161569 is about 1677.4604450951.

The spelling of 4720161569 in words is "four billion, seven hundred twenty million, one hundred sixty-one thousand, five hundred sixty-nine".