4874261981 has 8 divisors (see below), whose sum is σ = 5165010360. Its totient is φ = 4583961088.

The previous prime is 4874261963. The next prime is 4874262011. The reversal of 4874261981 is 1891624784.

It can be written as a sum of positive squares in 4 ways, for example, as 1075512025 + 3798749956 = 32795^2 + 61634^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4874261981 - 2²² = 4870067677 is a prime.

It is a super-2 number, since 2×4874261981² = 47516859718844088722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4874261941) 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 in 7 ways as a sum of consecutive naturals, for example, 89306 + ... + 133131.

It is an arithmetic number, because the mean of its divisors is an integer number (645626295).

Almost surely, 2^4874261981 is an apocalyptic number.

It is an amenable number.

4874261981 is a deficient number, since it is larger than the sum of its proper divisors (290748379).

4874261981 is a wasteful number, since it uses less digits than its factorization.

4874261981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223743.

The product of its digits is 774144, while the sum is 50.

The square root of 4874261981 is about 69815.9149549728. The cubic root of 4874261981 is about 1695.5201521127.

The spelling of 4874261981 in words is "four billion, eight hundred seventy-four million, two hundred sixty-one thousand, nine hundred eighty-one".