4861148569 has 2 divisors, whose sum is σ = 4861148570. Its totient is φ = 4861148568.

The previous prime is 4861148563. The next prime is 4861148573. The reversal of 4861148569 is 9658411684.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4220451225 + 640697344 = 64965^2 + 25312^2 .

It is a cyclic number.

It is not a de Polignac number, because 4861148569 - 2⁷ = 4861148441 is a prime.

It is a super-2 number, since 2×4861148569² = 47261530819781495522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4861148563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2430574284 + 2430574285.

It is an arithmetic number, because the mean of its divisors is an integer number (2430574285).

Almost surely, 2^4861148569 is an apocalyptic number.

It is an amenable number.

4861148569 is a deficient number, since it is larger than the sum of its proper divisors (1).

4861148569 is an equidigital number, since it uses as much as digits as its factorization.

4861148569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 52.

The square root of 4861148569 is about 69721.9375017648. The cubic root of 4861148569 is about 1693.9982791064.

The spelling of 4861148569 in words is "four billion, eight hundred sixty-one million, one hundred forty-eight thousand, five hundred sixty-nine".