4684799981 has 2 divisors, whose sum is σ = 4684799982. Its totient is φ = 4684799980.

The previous prime is 4684799971. The next prime is 4684800019. The reversal of 4684799981 is 1899974864.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4114067881 + 570732100 = 64141^2 + 23890^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4684799981 is a prime.

It is a super-2 number, since 2×4684799981² = 43894701723955200722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4684799921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2342399990 + 2342399991.

It is an arithmetic number, because the mean of its divisors is an integer number (2342399991).

Almost surely, 2^4684799981 is an apocalyptic number.

It is an amenable number.

4684799981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4684799981 is an equidigital number, since it uses as much as digits as its factorization.

4684799981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31352832, while the sum is 65.

The square root of 4684799981 is about 68445.5986970674. The cubic root of 4684799981 is about 1673.2609834126.

The spelling of 4684799981 in words is "four billion, six hundred eighty-four million, seven hundred ninety-nine thousand, nine hundred eighty-one".