4490134981 has 2 divisors, whose sum is σ = 4490134982. Its totient is φ = 4490134980.

The previous prime is 4490134969. The next prime is 4490134993. The reversal of 4490134981 is 1894310944.

It is a balanced prime because it is at equal distance from previous prime (4490134969) and next prime (4490134993).

It can be written as a sum of positive squares in only one way, i.e., 4487794081 + 2340900 = 66991^2 + 1530^2 .

It is a cyclic number.

It is not a de Polignac number, because 4490134981 - 2²⁷ = 4355917253 is a prime.

It is a super-2 number, since 2×4490134981² = 40322624295199740722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4490134381) 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 as a sum of consecutive naturals, namely, 2245067490 + 2245067491.

It is an arithmetic number, because the mean of its divisors is an integer number (2245067491).

Almost surely, 2^4490134981 is an apocalyptic number.

It is an amenable number.

4490134981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4490134981 is an equidigital number, since it uses as much as digits as its factorization.

4490134981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 4490134981 is about 67008.4694721496. The cubic root of 4490134981 is about 1649.7563130783.

The spelling of 4490134981 in words is "four billion, four hundred ninety million, one hundred thirty-four thousand, nine hundred eighty-one".