4988525681 has 2 divisors, whose sum is σ = 4988525682. Its totient is φ = 4988525680.

The previous prime is 4988525657. The next prime is 4988525699. The reversal of 4988525681 is 1865258894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4984360000 + 4165681 = 70600^2 + 2041^2 .

It is a cyclic number.

It is not a de Polignac number, because 4988525681 - 2¹⁰ = 4988524657 is a prime.

It is a super-2 number, since 2×4988525681² = 49770776939993027522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4988525651) 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, 2494262840 + 2494262841.

It is an arithmetic number, because the mean of its divisors is an integer number (2494262841).

Almost surely, 2^4988525681 is an apocalyptic number.

It is an amenable number.

4988525681 is a deficient number, since it is larger than the sum of its proper divisors (1).

4988525681 is an equidigital number, since it uses as much as digits as its factorization.

4988525681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5529600, while the sum is 56.

The square root of 4988525681 is about 70629.4958285843. The cubic root of 4988525681 is about 1708.6668908309. Note that the first 3 decimals are identical.

The spelling of 4988525681 in words is "four billion, nine hundred eighty-eight million, five hundred twenty-five thousand, six hundred eighty-one".