4899562681 has 16 divisors (see below), whose sum is σ = 5493331984. Its totient is φ = 4340127744.

The previous prime is 4899562643. The next prime is 4899562777. The reversal of 4899562681 is 1862659984.

It can be written as a sum of positive squares in 8 ways, for example, as 191407225 + 4708155456 = 13835^2 + 68616^2 .

It is a cyclic number.

It is not a de Polignac number, because 4899562681 - 2¹⁵ = 4899529913 is a prime.

It is a super-2 number, since 2×4899562681² = 48011428930095815522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4899562781) 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 in 15 ways as a sum of consecutive naturals, for example, 34656 + ... + 104881.

It is an arithmetic number, because the mean of its divisors is an integer number (343333249).

Almost surely, 2^4899562681 is an apocalyptic number.

It is an amenable number.

4899562681 is a deficient number, since it is larger than the sum of its proper divisors (593769303).

4899562681 is a wasteful number, since it uses less digits than its factorization.

4899562681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139660.

The product of its digits is 7464960, while the sum is 58.

The square root of 4899562681 is about 69996.8762231573. The cubic root of 4899562681 is about 1698.4487210790.

The spelling of 4899562681 in words is "four billion, eight hundred ninety-nine million, five hundred sixty-two thousand, six hundred eighty-one".