4636000981 has 2 divisors, whose sum is σ = 4636000982. Its totient is φ = 4636000980.

The previous prime is 4636000909. The next prime is 4636001047. The reversal of 4636000981 is 1890006364.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3898878481 + 737122500 = 62441^2 + 27150^2 .

It is a cyclic number.

It is not a de Polignac number, because 4636000981 - 2⁹ = 4636000469 is a prime.

It is a super-2 number, since 2×4636000981² = 42985010191665924722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4636000981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4636000081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2318000490 + 2318000491.

It is an arithmetic number, because the mean of its divisors is an integer number (2318000491).

Almost surely, 2^4636000981 is an apocalyptic number.

It is an amenable number.

4636000981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4636000981 is an equidigital number, since it uses as much as digits as its factorization.

4636000981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 4636000981 is about 68088.1853260902. The cubic root of 4636000981 is about 1667.4308783658.

The spelling of 4636000981 in words is "four billion, six hundred thirty-six million, nine hundred eighty-one", and thus it is an aban number.