4875965581 has 2 divisors, whose sum is σ = 4875965582. Its totient is φ = 4875965580.

The previous prime is 4875965533. The next prime is 4875965593. The reversal of 4875965581 is 1855695784.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2763184356 + 2112781225 = 52566^2 + 45965^2 .

It is a cyclic number.

It is not a de Polignac number, because 4875965581 - 2⁷ = 4875965453 is a prime.

It is a super-2 number, since 2×4875965581² = 47550080694193335122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4875995581) 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, 2437982790 + 2437982791.

It is an arithmetic number, because the mean of its divisors is an integer number (2437982791).

Almost surely, 2^4875965581 is an apocalyptic number.

It is an amenable number.

4875965581 is a deficient number, since it is larger than the sum of its proper divisors (1).

4875965581 is an equidigital number, since it uses as much as digits as its factorization.

4875965581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096000, while the sum is 58.

The square root of 4875965581 is about 69828.1145456470. The cubic root of 4875965581 is about 1695.7176624702.

The spelling of 4875965581 in words is "four billion, eight hundred seventy-five million, nine hundred sixty-five thousand, five hundred eighty-one".